/* roulang page: index */
:root {
            --brand-primary: #F97316;
            --brand-secondary: #EA580C;
            --brand-energy: #FFB224;
            --ink-deep: #171C24;
            --ink-body: #1F2937;
            --ink-muted: #64748B;
            --surface-page: #F6F3EF;
            --surface-card: #FFFFFF;
            --surface-deep: #10141A;
            --line-soft: #E7E2DA;
            --accent-teal: #17A398;
            --rating-star: #F59E0B;
            --brand-gradient: linear-gradient(135deg, #FFB224 0%, #F97316 50%, #EA580C 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--surface-page);
            color: var(--ink-body);
            font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a,
        button {
            transition: all .25s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(249, 115, 22, .6);
            outline-offset: 2px;
        }

        .container-site {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ---------- Header ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .68);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .55);
            box-shadow: 0 4px 22px rgba(0, 0, 0, .04);
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .94);
            box-shadow: 0 6px 28px rgba(0, 0, 0, .08);
            border-color: rgba(23, 28, 36, .06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .logo-area {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 18px;
            box-shadow: 0 8px 18px rgba(249, 115, 22, .3);
        }

        .logo-name {
            font-weight: 800;
            font-size: 20px;
            line-height: 1.1;
            color: var(--ink-deep);
            letter-spacing: .2px;
        }

        .logo-sub {
            display: block;
            font-size: 12px;
            font-weight: 500;
            color: var(--ink-muted);
            letter-spacing: 1.6px;
            margin-top: 3px;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 34px;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: #2A313C;
            text-decoration: none;
            padding: 8px 2px;
            letter-spacing: .2px;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 3px;
            border-radius: 99px;
            background: var(--brand-gradient);
            transition: width .3s ease;
        }

        .nav-link:hover {
            color: var(--brand-secondary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--brand-secondary);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .tool-search {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: none;
            border-radius: 12px;
            background: rgba(249, 115, 22, .08);
            color: var(--brand-secondary);
            font-size: 17px;
            cursor: pointer;
            text-decoration: none;
        }

        .tool-search:hover {
            background: var(--brand-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 18px rgba(249, 115, 22, .22);
        }

        .btn-header {
            display: none;
            align-items: center;
            height: 42px;
            padding: 0 22px;
            border-radius: 12px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 8px 18px rgba(249, 115, 22, .22);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }

        .btn-header:hover {
            box-shadow: 0 12px 24px rgba(249, 115, 22, .32);
            transform: translateY(-1px);
        }

        .btn-header:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(249, 115, 22, .2);
        }

        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line-soft);
            background: #fff;
            border-radius: 12px;
            color: var(--ink-deep);
            font-size: 18px;
            cursor: pointer;
        }

        .mobile-menu {
            position: fixed;
            top: 74px;
            left: 12px;
            right: 12px;
            z-index: 49;
            background: #fff;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 26px 60px rgba(0, 0, 0, .18);
            border: 1px solid var(--line-soft);
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: all .25s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 13px 14px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--ink-deep);
            text-decoration: none;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #FFF4E8;
            color: var(--brand-secondary);
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
            .btn-header {
                display: inline-flex;
            }
            .mobile-menu {
                display: none;
            }
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            padding: 160px 0 52px;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -2;
            background-image: url("/assets/images/backpic/back-1.webp");
            background-size: cover;
            background-position: center;
            opacity: .8;
            transform: scale(1.02);
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(105deg, rgba(246, 243, 239, .97) 0%, rgba(246, 243, 239, .92) 38%, rgba(246, 243, 239, .5) 100%);
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1fr;
            align-items: center;
            gap: 20px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid rgba(233, 124, 27, .22);
            color: var(--brand-secondary);
            border-radius: 999px;
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 600;
        }

        .hero-eyebrow i {
            font-size: 12px;
        }

        .hero h1 {
            margin-top: 24px;
            font-size: clamp(40px, 5.8vw, 66px);
            line-height: 1.16;
            color: var(--ink-deep);
            font-weight: 800;
            letter-spacing: -.3px;
        }

        .hero h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            margin-top: 24px;
            max-width: 620px;
            font-size: 17px;
            line-height: 1.85;
            color: #3D4553;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            height: 52px;
            padding: 0 32px;
            border-radius: 14px;
            border: none;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            cursor: pointer;
            box-shadow: 0 10px 24px rgba(249, 115, 22, .25);
        }

        .btn-primary:hover {
            box-shadow: 0 16px 30px rgba(249, 115, 22, .34);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(249, 115, 22, .18);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            height: 52px;
            padding: 0 32px;
            border-radius: 14px;
            border: 1.5px solid var(--brand-primary);
            background: rgba(255, 255, 255, .6);
            color: var(--brand-secondary);
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(249, 115, 22, .1);
            transform: translateY(-2px);
            border-color: var(--brand-secondary);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
            margin-top: 48px;
        }

        .stat-card {
            background: rgba(255, 255, 255, .82);
            border: 1px solid rgba(231, 226, 218, .8);
            border-radius: 20px;
            padding: 18px 16px;
            text-align: center;
            backdrop-filter: blur(10px);
            box-shadow: 0 12px 28px rgba(23, 28, 36, .04);
        }

        .stat-number {
            font-size: 26px;
            font-weight: 800;
            color: var(--brand-secondary);
            line-height: 1.2;
        }

        .stat-label {
            margin-top: 6px;
            font-size: 13px;
            color: var(--ink-muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual .main-img {
            width: 100%;
            height: auto;
            max-height: 520px;
            object-fit: cover;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .8);
            box-shadow: 0 28px 60px rgba(23, 28, 36, .18);
            transform: rotate(1.2deg);
        }

        .hero-bubble {
            position: absolute;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .95);
            border: 1px solid var(--line-soft);
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-deep);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .12);
        }

        .hero-bubble i {
            color: var(--accent-teal);
        }

        .hero-bubble-top {
            top: 18px;
            right: -6px;
        }

        .hero-bubble-bottom {
            bottom: 44px;
            left: -14px;
        }

        @media (min-width: 1024px) {
            .hero {
                padding-top: 180px;
            }
            .hero-layout {
                grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
                gap: 70px;
            }
        }

        @media (max-width: 640px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-bubble-bottom {
                left: 0;
                bottom: 8px;
            }
            .hero-bubble-top {
                right: 0;
                top: 8px;
            }
        }

        /* ---------- Section common ---------- */
        .section-pad {
            padding: 88px 0;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-secondary);
            letter-spacing: .5px;
            text-transform: uppercase;
        }

        .section-eyebrow::before {
            content: "";
            width: 26px;
            height: 3px;
            border-radius: 99px;
            background: var(--brand-gradient);
        }

        .section-title {
            margin-top: 12px;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.3;
            color: var(--ink-deep);
            font-weight: 800;
            letter-spacing: -.2px;
        }

        .section-desc {
            margin-top: 14px;
            font-size: 16px;
            color: var(--ink-muted);
            max-width: 640px;
            line-height: 1.85;
        }

        /* ---------- Strength ---------- */
        .strength-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .strength-card {
            background: var(--surface-card);
            border: 1px solid rgba(231, 226, 218, .8);
            border-radius: 22px;
            padding: 28px 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            box-shadow: 0 6px 22px rgba(23, 28, 36, .03);
        }

        .strength-icon {
            flex: 0 0 auto;
            width: 50px;
            height: 50px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            background: #FFF1E7;
            color: var(--brand-primary);
            font-size: 21px;
        }

        .strength-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink-deep);
        }

        .strength-card p {
            margin-top: 6px;
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        @media (min-width: 768px) {
            .strength-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ---------- Hot content card ---------- */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .content-card {
            background: var(--surface-card);
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(231, 226, 218, .85);
            box-shadow: 0 8px 24px rgba(23, 28, 36, .04);
            display: flex;
            flex-direction: column;
            transition: all .35s ease;
            text-decoration: none;
            color: inherit;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 22px 44px rgba(23, 28, 36, .1);
        }

        .content-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            background: #E7E2DA;
        }

        .content-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .content-card:hover .content-cover img {
            transform: scale(1.05);
        }

        .content-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            z-index: 2;
            background: rgba(23, 28, 36, .72);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 5px 12px;
            border-radius: 99px;
            font-size: 12px;
            font-weight: 600;
        }

        .content-info {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink-deep);
            line-height: 1.45;
        }

        .content-info p {
            margin-top: 8px;
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.8;
            flex: 1;
        }

        .card-action {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-secondary);
            font-weight: 700;
            font-size: 14px;
        }

        .card-action i {
            transition: transform .3s ease;
        }

        .content-card:hover .card-action i {
            transform: translateX(5px);
        }

        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* ---------- Brand CTA ---------- */
        .brand-cta {
            background: var(--ink-deep);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .brand-cta::after {
            content: "";
            position: absolute;
            right: -100px;
            top: -100px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 178, 36, .25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .brand-cta::before {
            content: "";
            position: absolute;
            left: 18%;
            bottom: -160px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(23, 163, 152, .2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .brand-cta .container-site {
            position: relative;
            z-index: 2;
        }

        .brand-cta h2 {
            color: #fff;
            font-size: clamp(28px, 4vw, 46px);
            line-height: 1.3;
            font-weight: 800;
            max-width: 640px;
            letter-spacing: -.3px;
        }

        .brand-cta p {
            margin-top: 14px;
            color: rgba(255, 255, 255, .65);
            max-width: 560px;
            line-height: 1.85;
        }

        .brand-cta .btn-primary {
            margin-top: 28px;
            background: #fff;
            color: var(--brand-secondary);
            box-shadow: 0 14px 28px rgba(0, 0, 0, .2);
        }

        .brand-cta .brand-mini {
            margin-top: 34px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .brand-mini span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
        }

        .brand-mini i {
            color: var(--brand-energy);
        }

        /* ---------- Testimonials ---------- */
        .review-zone {
            background: #FCFAF7;
        }

        .review-slider {
            position: relative;
            margin-top: 44px;
        }

        .review-track {
            display: flex;
            gap: 22px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 10px 4px 28px;
            scrollbar-width: thin;
            scrollbar-color: #EFEAE3 transparent;
        }

        .review-track::-webkit-scrollbar {
            height: 6px;
        }

        .review-track::-webkit-scrollbar-thumb {
            background: #DCD5CB;
            border-radius: 8px;
        }

        .review-card {
            flex: 0 0 88%;
            max-width: 430px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: 22px;
            border: 1px solid var(--line-soft);
            padding: 26px;
            box-shadow: 0 8px 26px rgba(23, 28, 36, .05);
        }

        .review-stars {
            display: flex;
            gap: 3px;
            color: var(--rating-star);
        }

        .review-text {
            margin-top: 14px;
            color: var(--ink-body);
            font-size: 15px;
            line-height: 1.9;
        }

        .review-owner {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--line-soft);
        }

        .review-avatar {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #FFF1E7;
            color: var(--brand-secondary);
            font-size: 16px;
        }

        .review-owner strong {
            font-size: 14px;
            color: var(--ink-deep);
        }

        .review-owner span {
            display: block;
            font-size: 12px;
            color: var(--ink-muted);
        }

        .review-controls {
            margin-top: 20px;
            display: flex;
            gap: 12px;
        }

        .review-controls button {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line-soft);
            background: #fff;
            color: var(--ink-deep);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 14px rgba(0, 0, 0, .05);
        }

        .review-controls button:hover {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        @media (min-width: 640px) {
            .review-card {
                flex-basis: 44%;
            }
        }

        /* ---------- Guarantee ---------- */
        .guarantee-item {
            background: #fff;
            border-radius: 22px;
            padding: 28px 24px;
            border: 1px solid var(--line-soft);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all .3s ease;
        }

        .guarantee-item:hover {
            box-shadow: 0 16px 34px rgba(23, 28, 36, .08);
            transform: translateY(-4px);
        }

        .guarantee-icon {
            flex: 0 0 auto;
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: rgba(23, 163, 152, .1);
            color: var(--accent-teal);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .guarantee-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink-deep);
        }

        .guarantee-item p {
            color: var(--ink-muted);
            font-size: 14px;
            margin-top: 5px;
            line-height: 1.8;
        }

        .guarantee-grid {
            display: grid;
            gap: 18px;
            grid-template-columns: 1fr;
        }

        @media (min-width: 768px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ---------- News / CMS ---------- */
        .news-section {
            background: var(--surface-page);
        }

        .news-list {
            display: grid;
            gap: 18px;
            margin-top: 36px;
        }

        .news-item {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--line-soft);
            padding: 24px 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            box-shadow: 0 6px 16px rgba(0, 0, 0, .02);
            transition: all .3s ease;
        }

        .news-item:hover {
            border-color: rgba(249, 115, 22, .3);
            box-shadow: 0 16px 32px rgba(23, 28, 36, .06);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-cat {
            background: #FFF2E9;
            color: var(--brand-secondary);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 700;
        }

        .news-time {
            font-size: 13px;
            color: var(--ink-muted);
        }

        .news-item h3 {
            font-size: 18px;
            color: var(--ink-deep);
            font-weight: 700;
            line-height: 1.45;
        }

        .news-item h3 a {
            color: inherit;
            text-decoration: none;
        }

        .news-item h3 a:hover {
            color: var(--brand-secondary);
        }

        .news-summary {
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-secondary);
            font-weight: 700;
            font-size: 14px;
            text-decoration: none;
            margin-top: 4px;
        }

        .read-more:hover {
            gap: 12px;
        }

        .empty-state {
            border: 1px dashed #D4C9BC;
            background: #fff;
            border-radius: 20px;
            padding: 46px 24px;
            margin-top: 36px;
            text-align: center;
            color: var(--ink-muted);
            font-size: 15px;
        }

        /* ---------- FAQ ---------- */
        .faq-zone {
            background: #FCFAF7;
        }

        .faq-container {
            margin-top: 40px;
            max-width: 920px;
        }

        .faq-card {
            border: 1px solid var(--line-soft);
            background: #fff;
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-card.active {
            box-shadow: 0 14px 34px rgba(23, 28, 36, .08);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink-deep);
            cursor: pointer;
            text-align: left;
        }

        .faq-q .faq-arrow {
            width: 32px;
            height: 32px;
            flex: 0 0 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F3EEE8;
            color: var(--brand-secondary);
            transition: transform .3s ease;
        }

        .faq-card.active .faq-arrow {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-a-inner {
            padding: 0 24px 22px;
            color: var(--ink-muted);
            font-size: 15px;
            line-height: 1.9;
        }

        /* ---------- Final CTA ---------- */
        .final-cta {
            position: relative;
            padding: 100px 0 130px;
        }

        .final-card {
            position: relative;
            overflow: hidden;
            background: var(--brand-gradient);
            border-radius: 40px;
            padding: 54px 32px;
            text-align: center;
        }

        .final-card::before {
            content: "";
            position: absolute;
            top: -60px;
            left: 12%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .18);
            filter: blur(10px);
        }

        .final-card h2 {
            color: #fff;
            font-size: clamp(30px, 4vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            position: relative;
        }

        .final-card p {
            color: rgba(255, 255, 255, .9);
            font-size: 17px;
            max-width: 620px;
            margin: 16px auto 0;
            line-height: 1.85;
            position: relative;
        }

        .final-actions {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            position: relative;
        }

        .final-actions .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 52px;
            padding: 0 34px;
            border-radius: 14px;
            background: #fff;
            color: var(--brand-secondary);
            font-weight: 800;
            font-size: 16px;
            text-decoration: none;
            box-shadow: 0 8px 18px rgba(0, 0, 0, .15);
        }

        .final-actions .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .2);
        }

        .final-actions .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 52px;
            padding: 0 32px;
            border-radius: 14px;
            border: 1.5px solid rgba(255, 255, 255, .6);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            text-decoration: none;
            background: rgba(255, 255, 255, .05);
        }

        .final-actions .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .2);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--surface-deep);
            padding: 80px 0 24px;
            color: rgba(255, 255, 255, .7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .footer-brand p {
            margin-top: 18px;
            font-size: 14px;
            line-height: 1.9;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .65);
            text-decoration: none;
            font-size: 14px;
            padding: 6px 0;
        }

        .footer-col a:hover {
            color: var(--brand-energy);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom .sep {
            display: inline-block;
            margin: 0 10px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr;
            }
        }

        /* small polish */
        .bg-soft-light {
            background: #FAF8F5;
        }

        .icon-orbit {
            display: inline-flex;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: #FFF1E7;
            color: var(--brand-primary);
            font-size: 18px;
        }

/* roulang page: article */
:root {
            --brand-primary: #F97316;
            --brand-secondary: #EA580C;
            --brand-energy: #FFB224;
            --brand-gradient: 135deg, #FFB224 0%, #F97316 60%, #EA580C 100%;
            --ink-deep: #171C24;
            --ink-body: #1F2937;
            --ink-muted: #64748B;
            --surface-page: #F6F3EF;
            --surface-card: #FFFFFF;
            --surface-deep: #10141A;
            --line-soft: #E7E2DA;
            --accent-teal: #17A398;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(23, 28, 36, 0.06);
            --shadow-hover: 0 18px 42px rgba(23, 28, 36, 0.13);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--surface-page);
            color: var(--ink-body);
            font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-site {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.66);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.35);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(23, 28, 36, 0.92);
            box-shadow: 0 12px 40px rgba(23, 28, 36, 0.16);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 18px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            color: var(--ink-deep);
            transition: color 0.3s ease;
        }

        .logo-badge {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FFB224, #F97316, #EA580C);
            color: #fff;
            font-size: 18px;
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
        }

        .site-logo span:last-child {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.01em;
        }

        .site-header.scrolled .site-logo {
            color: #ffffff;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-body);
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .main-nav .nav-link:hover {
            background: rgba(249, 115, 22, 0.1);
            color: var(--brand-secondary);
        }

        .main-nav .nav-link.active {
            background: linear-gradient(135deg, #FFB224, #F97316, #EA580C);
            color: #ffffff;
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.26);
        }

        .site-header.scrolled .main-nav .nav-link {
            color: #e5e7eb;
        }

        .site-header.scrolled .main-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FFB224, #F97316, #EA580C);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 8px 22px rgba(249, 115, 22, 0.28);
            transition: all var(--transition);
        }

        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(249, 115, 22, 0.35);
        }

        .site-header.scrolled .btn-header {
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
        }

        .menu-toggle {
            width: 44px;
            height: 44px;
            border: none;
            background: rgba(249, 115, 22, 0.1);
            border-radius: 12px;
            color: var(--ink-deep);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .site-header.scrolled .menu-toggle {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .menu-toggle:hover {
            background: rgba(249, 115, 22, 0.2);
        }

        .mobile-nav {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-nav.open {
            max-height: 640px;
        }

        .mobile-nav-inner {
            padding: 14px 16px 22px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-nav-inner a {
            padding: 14px 16px;
            border-radius: 14px;
            font-weight: 600;
            color: var(--ink-body);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .mobile-nav-inner a:hover {
            background: rgba(249, 115, 22, 0.1);
        }

        .site-header.scrolled .mobile-nav-inner a {
            background: rgba(255, 255, 255, 0.04);
            color: #f9fafb;
        }

        .post-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
            padding: 120px 0 76px;
            background:
                linear-gradient(98deg, rgba(23, 28, 36, 0.94) 0%, rgba(23, 28, 36, 0.6) 48%, rgba(249, 115, 22, 0.46) 100%),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
        }

        .post-hero::after {
            content: "";
            position: absolute;
            right: -6%;
            top: 10%;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle at center, rgba(255, 178, 36, 0.35), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .post-hero .container-site {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .post-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            backdrop-filter: blur(8px);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0 0 20px;
            padding: 0;
            list-style: none;
            font-size: 14px;
            color: #dfe3e8;
        }

        .breadcrumb a {
            color: #ffffffb3;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb li+li::before {
            content: "/";
            margin-right: 8px;
            color: rgba(255, 255, 255, 0.35);
        }

        .post-hero__title {
            margin: 16px 0 22px;
            max-width: 920px;
            font-size: clamp(34px, 5.4vw, 58px);
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            text-wrap: balance;
        }

        .post-hero__meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 18px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .meta-chip {
            padding: 8px 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FFB224, #F97316, #EA580C);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.3);
        }

        .post-shell {
            max-width: 960px;
            margin: -30px auto 0;
            padding: 0 16px;
            position: relative;
            z-index: 3;
        }

        @media (min-width: 640px) {
            .post-shell {
                padding: 0 24px;
            }
        }

        .post-card {
            background: var(--surface-card);
            border: 1px solid var(--line-soft);
            border-radius: 32px;
            box-shadow: 0 20px 60px rgba(23, 28, 36, 0.1);
            padding: clamp(24px, 5vw, 64px);
        }

        .post-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--ink-body);
        }

        .post-content>p {
            margin: 0 0 1.4em;
        }

        .post-content h1,
        .post-content h2,
        .post-content h3,
        .post-content h4 {
            color: var(--ink-deep);
            font-weight: 800;
            line-height: 1.35;
            margin: 1.8em 0 0.75em;
        }

        .post-content h2 {
            font-size: 28px;
            margin-top: 2em;
            padding-top: 1.5em;
            border-top: 1px solid var(--line-soft);
        }

        .post-content h3 {
            font-size: 22px;
        }

        .post-content a {
            color: var(--brand-primary);
            border-bottom: 1px solid rgba(249, 115, 22, 0.35);
            transition: all var(--transition);
        }

        .post-content a:hover {
            color: var(--brand-secondary);
            border-bottom-color: var(--brand-secondary);
        }

        .post-content img {
            border-radius: 20px;
            box-shadow: 0 14px 34px rgba(23, 28, 36, 0.1);
            margin: 2em 0;
        }

        .post-content blockquote {
            margin: 2em 0;
            padding: 20px 26px;
            background: #FFF4E8;
            border-left: 5px solid var(--brand-primary);
            border-radius: 0 18px 18px 0;
            color: #474f58;
            font-style: normal;
        }

        .post-content ul,
        .post-content ol {
            margin: 1.4em 0;
            padding-left: 1.5em;
        }

        .post-content ul li,
        .post-content ol li {
            margin: 0.6em 0;
        }

        .post-content ul li::marker {
            color: var(--brand-primary);
        }

        .post-content pre {
            background: var(--ink-deep);
            color: #f8fafc;
            padding: 24px;
            border-radius: 18px;
            overflow-x: auto;
            line-height: 1.7;
            font-size: 15px;
            margin: 2em 0;
        }

        .post-content code {
            font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
            background: rgba(23, 28, 36, 0.08);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 0.9em;
        }

        .post-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .post-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: 15px;
        }

        .post-content th,
        .post-content td {
            padding: 14px 16px;
            border: 1px solid var(--line-soft);
            text-align: left;
        }

        .post-content th {
            background: #FFF4E8;
            font-weight: 700;
            color: var(--ink-deep);
        }

        .post-content hr {
            border: none;
            height: 1px;
            background: var(--line-soft);
            margin: 2.4em 0;
        }

        .post-source-note {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            align-items: center;
            margin-top: 42px;
            padding: 22px 24px;
            background: #F8F5F0;
            border-radius: 18px;
            border: 1px solid var(--line-soft);
            color: var(--ink-muted);
            font-size: 14px;
        }

        .source-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--ink-deep);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            transition: all var(--transition);
        }

        .btn:focus-visible,
        .main-nav .nav-link:focus-visible,
        .menu-toggle:focus-visible {
            outline: 3px solid rgba(249, 115, 22, 0.5);
            outline-offset: 3px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FFB224, #F97316, #EA580C);
            color: #fff;
            box-shadow: 0 10px 26px rgba(249, 115, 22, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(249, 115, 22, 0.38);
        }

        .btn-dark {
            background: var(--ink-deep);
            color: #ffffff;
        }

        .btn-dark:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(23, 28, 36, 0.25);
        }

        .post-notfound {
            max-width: 720px;
            margin: 150px auto 90px;
            padding: 64px 40px;
            background: var(--surface-card);
            border: 1px solid var(--line-soft);
            border-radius: 28px;
            box-shadow: 0 20px 60px rgba(23, 28, 36, 0.08);
            text-align: center;
        }

        .post-notfound .error-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 26px;
            background: linear-gradient(135deg, #FFF4E8, #FFE4CC);
            color: var(--brand-primary);
            font-size: 36px;
        }

        .post-notfound h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--ink-deep);
            margin: 0 0 14px;
        }

        .post-notfound p {
            color: var(--ink-muted);
            font-size: 16px;
            margin: 0 auto 30px;
            max-width: 420px;
        }

        .recommend-section {
            background: linear-gradient(180deg, #F6F3EF 0%, #EFE9E0 100%);
            padding: 90px 0;
        }

        .section-heading {
            max-width: 720px;
            margin-bottom: 44px;
        }

        .section-heading.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            background: #ffffff;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-primary);
            border: 1px solid var(--line-soft);
            box-shadow: 0 4px 12px rgba(23, 28, 36, 0.04);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .section-title {
            margin: 18px 0 12px;
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: var(--ink-deep);
            line-height: 1.25;
        }

        .section-desc {
            color: var(--ink-muted);
            font-size: 17px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 640px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .related-card {
            background: var(--surface-card);
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--line-soft);
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .related-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .related-card__image {
            height: 180px;
            overflow: hidden;
            background: #e8dfd4;
        }

        .related-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .related-card:hover .related-card__image img {
            transform: scale(1.06);
        }

        .related-card__body {
            padding: 22px;
        }

        .related-card__body .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: #FFF1E7;
            color: var(--brand-secondary);
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .related-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--ink-deep);
            line-height: 1.5;
            margin: 0 0 8px;
        }

        .related-card p {
            margin: 0;
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .post-faq,
        .post-cta-wrap {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 16px;
        }

        .post-faq {
            padding: 92px 0;
        }

        .post-faq .section-heading {
            margin-right: 0;
        }

        .faq-list {
            margin-top: 40px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--line-soft);
            border-radius: 18px;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 6px 18px rgba(23, 28, 36, 0.04);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink-deep);
            transition: all var(--transition);
        }

        .faq-item summary:hover {
            background: #FFF9F4;
            color: var(--brand-secondary);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--brand-primary);
            transition: all .3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 22px;
            color: var(--ink-muted);
            line-height: 1.8;
            font-size: 15px;
        }

        .post-cta-wrap {
            padding-bottom: 90px;
        }

        .brand-cta {
            padding: clamp(32px, 6vw, 64px);
            border-radius: 30px;
            color: #fff;
            background:
                radial-gradient(circle at 90% 10%, rgba(255, 178, 36, 0.3), transparent 40%),
                linear-gradient(135deg, #FFB224 0%, #F97316 55%, #EA580C 100%);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            box-shadow: 0 24px 70px rgba(249, 115, 22, 0.28);
            position: relative;
            overflow: hidden;
        }

        .brand-cta::before {
            content: "";
            position: absolute;
            left: -40px;
            bottom: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 30px solid rgba(255, 255, 255, 0.08);
        }

        .brand-cta h2 {
            font-size: clamp(24px, 3vw, 34px);
            line-height: 1.3;
            margin: 0 0 8px;
            font-weight: 800;
            color: #fff;
        }

        .brand-cta p {
            margin: 0;
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            max-width: 520px;
        }

        .brand-cta .btn {
            padding-left: 32px;
            padding-right: 32px;
            flex-shrink: 0;
        }

        .btn-white {
            background: #ffffff;
            color: var(--brand-secondary);
        }

        .btn-white:hover {
            background: #FFF4E8;
            transform: translateY(-2px);
        }

        .btn-white-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.9);
            color: #fff;
            box-shadow: none;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--surface-deep);
            color: #cbd5e1;
        }

        .site-footer .container-site {
            padding-top: 72px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 42px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .footer-brand p {
            margin: 20px 0 0;
            max-width: 440px;
            font-size: 14px;
            line-height: 1.9;
            color: #94a3b8;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            margin: 0 0 20px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 14px;
            padding: 5px 0;
            transition: color .3s ease, padding-left .3s ease;
        }

        .footer-col a:hover {
            color: var(--brand-energy);
            padding-left: 6px;
        }

        .footer-bottom {
            margin-top: 56px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom .sep {
            margin: 0 6px;
            color: #334155;
        }

        @media (max-width: 767px) {
            .main-nav {
                display: none;
            }

            .header-cta-desktop {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }
        }

        @media (min-width: 768px) {
            .main-nav {
                display: flex;
            }

            .menu-toggle {
                display: none;
            }
        }

        @media (max-width: 639px) {
            .btn-header {
                display: none;
            }

            .post-card {
                padding: 28px 18px;
            }

            .post-hero {
                min-height: 420px;
                padding: 110px 0 58px;
            }

            .post-source-note {
                flex-direction: column;
                align-items: flex-start;
            }

            .brand-cta {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root{
  --brand-primary:#F97316;
  --brand-secondary:#EA580C;
  --brand-energy:#FFB224;
  --ink-deep:#171C24;
  --ink-body:#1F2937;
  --ink-muted:#64748B;
  --surface-page:#F6F3EF;
  --surface-card:#FFFFFF;
  --surface-deep:#10141A;
  --line-soft:#E7E2DA;
  --accent-teal:#17A398;
  --rating-star:#F59E0B;
  --radius-lg:1rem;
  --radius-xl:1.5rem;
  --radius-2xl:2rem;
  --shadow-soft:0 12px 40px rgba(23,28,36,.08);
  --shadow-hover:0 22px 48px rgba(23,28,36,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--surface-page);
  color:var(--ink-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{color:var(--ink-deep);font-weight:800;line-height:1.25;letter-spacing:-0.015em;margin:0}
p{margin:0}
.container-site{width:min(100% - 48px,1280px);margin-inline:auto}
.section-block{padding:96px 0}
.section-label{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-primary);font-size:14px;letter-spacing:.06em;margin-bottom:16px}
.section-label i{color:var(--brand-primary)}
.section-title{font-size:clamp(30px,4vw,42px);margin-bottom:20px}
.section-intro{max-width:800px;font-size:17px;color:#475569;line-height:1.9;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;border-radius:14px;padding:14px 26px;font-size:15px;
  line-height:1;transition:all .25s ease;white-space:nowrap;
}
.btn:focus-visible,
.nav-link:focus-visible,
.search-btn:focus-visible,
.faq-q-button:focus-visible,
.nav-toggle:focus-visible{
  outline:3px solid rgba(249,115,22,.45);
  outline-offset:3px;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand-energy) 0%,var(--brand-primary) 46%,var(--brand-secondary) 100%);
  box-shadow:0 12px 26px rgba(249,115,22,.26);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(249,115,22,.36);
  filter:saturate(1.08) brightness(1.03);
}
.btn-outline{
  color:#fff;border:1.5px solid rgba(255,255,255,.65);background:rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
}
.btn-outline:hover{
  background:rgba(255,255,255,.18);
  transform:translateY(-2px);
}
.btn-soft{
  color:var(--ink-deep);
  background:#fff;
  border:1px solid var(--line-soft);
  box-shadow:0 8px 20px rgba(23,28,36,.05);
}
.btn-soft:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:#f3c7a3;
}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:12px}
.btn-lg{padding:18px 34px;font-size:16px;border-radius:18px}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:76px;
  background:linear-gradient(180deg,rgba(12,16,20,.72) 0%,rgba(12,16,20,.28) 70%,rgba(12,16,20,0) 100%);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header.scrolled{
  background:rgba(246,243,239,.92);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(23,28,36,.06);
  box-shadow:0 12px 36px rgba(23,28,36,.10);
  height:68px;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;transition:height .35s ease;
}
.site-header.scrolled .header-inner{height:68px}
.brand-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand-energy),var(--brand-primary) 60%,var(--brand-secondary));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;
  box-shadow:0 8px 20px rgba(249,115,22,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em;transition:color .3s}
.brand-sub{font-size:11px;color:rgba(255,255,255,.55);font-weight:600;letter-spacing:.08em;transition:color .3s}
.site-header.scrolled .brand-main{color:var(--ink-deep)}
.site-header.scrolled .brand-sub{color:var(--ink-muted)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;width:72px;padding:10px 16px;border-radius:999px;
  font-weight:600;color:rgba(255,255,255,.86);font-size:14.5px;
  transition:all .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:4px;width:6px;height:6px;transform:translateX(-50%);
  background:var(--brand-energy);border-radius:99px;box-shadow:0 0 0 4px rgba(255,178,36,.18);
}
.site-header.scrolled .nav-link{color:#3a4250}
.site-header.scrolled .nav-link:hover{color:var(--brand-secondary);background:rgba(249,115,22,.08)}
.site-header.scrolled .nav-link.active{color:var(--brand-primary)}
.site-header.scrolled .nav-link.active::after{background:var(--brand-primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-btn{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.88);background:rgba(255,255,255,.1);font-size:16px;transition:.2s;
  border:1px solid rgba(255,255,255,.12);
}
.search-btn:hover{background:rgba(255,255,255,.24);color:#fff}
.site-header.scrolled .search-btn{color:var(--ink-deep);background:rgba(23,28,36,.06);border-color:transparent}
.site-header.scrolled .search-btn:hover{background:rgba(249,115,22,.12);color:var(--brand-primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.12);font-size:18px;margin-left:8px;transition:.2s;
}
.site-header.scrolled .nav-toggle{color:var(--ink-deep);background:rgba(23,28,36,.06)}
.nav-toggle:hover{background:rgba(249,115,22,.18)}

.search-overlay{
  position:fixed;inset:0;z-index:220;background:rgba(16,20,26,.56);
  backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:24px;
}
.search-overlay.open{display:flex}
.search-overlay-card{
  width:min(680px,100%);background:#fff;border-radius:28px;padding:30px;
  box-shadow:0 40px 100px rgba(0,0,0,.4);
}
.search-overlay-title{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.search-overlay-title i{color:var(--brand-primary)}
.search-panel-form{display:flex;gap:10px}
.search-panel-form input{
  flex:1;height:54px;border:1.5px solid #e2e0db;border-radius:14px;padding:0 20px;
  font-size:16px;background:#faf7f3;transition:.2s;color:var(--ink-deep);
}
.search-panel-form input:focus{
  outline:none;border-color:var(--brand-primary);background:#fff;
  box-shadow:0 0 0 5px rgba(249,115,22,.14);
}
.search-panel-form button{
  height:54px;padding:0 26px;border-radius:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand-energy),var(--brand-secondary));
  transition:.25s;
}
.search-panel-form button:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(249,115,22,.3)}
.close-search{
  display:block;margin-top:16px;color:#64748b;font-size:14px;font-weight:600;margin-left:auto;
}
.close-search:hover{color:var(--brand-secondary)}

.category-hero{
  position:relative;color:#fff;background:#0f1318;
  padding:178px 0 96px;overflow:hidden;
}
.category-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(16,20,26,.95) 0%,rgba(16,20,26,.7) 38%,rgba(16,20,26,.45) 70%,rgba(16,20,26,.5) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.category-hero::after{
  content:"";position:absolute;right:-180px;top:-100px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,36,.22),rgba(249,115,22,.05) 55%,transparent 68%);
}
.hero-content-wrap{position:relative;z-index:4}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:34px}
.breadcrumb a{color:rgba(255,255,255,.82);font-weight:500}
.breadcrumb a:hover{color:#ffb224}
.bc-sep{opacity:.45}
.hero-topline{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);padding:8px 16px;border-radius:99px;
  color:#ffd7ab;font-weight:700;font-size:13px;letter-spacing:.05em;margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.category-hero h1{
  color:#fff;font-size:clamp(36px,5.3vw,64px);line-height:1.18;font-weight:900;
  max-width:960px;margin-bottom:22px;
}
.category-hero h1 .orange{
  background:linear-gradient(100deg,#ffb224,#ff7a1d,#f97316);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  max-width:760px;color:rgba(255,255,255,.9);font-size:18px;line-height:1.9;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:50px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:900px;
  margin-top:18px;
}
.hero-metric{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  padding:18px 20px;border-radius:18px;backdrop-filter:blur(10px);
}
.hero-metric strong{display:block;font-size:17px;color:#fff;margin-bottom:4px;font-weight:800}
.hero-metric span{font-size:13.5px;color:rgba(255,255,255,.7)}

.about-row{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.about-copy .section-intro{margin-bottom:0}
.about-note{
  margin-top:22px;padding:18px 20px;border-left:4px solid var(--brand-primary);
  background:#fff;border-radius:14px;box-shadow:var(--shadow-soft);font-size:14.5px;color:#6b5a3d;
}
.chip-list{display:flex;flex-direction:column;gap:12px}
.chip-item{
  display:flex;align-items:center;gap:14px;padding:16px 18px;
  background:#fff;border:1px solid #eee9e1;border-radius:18px;
  transition:all .24s ease;box-shadow:0 4px 14px rgba(23,28,36,.03);
}
.chip-item:hover{
  border-color:#ffd2ad;transform:translateX(6px);
  box-shadow:0 12px 30px rgba(249,115,22,.12);
}
.chip-icon{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,#fff0e4,#ffe5cc);color:var(--brand-primary);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.chip-item:nth-child(2) .chip-icon{background:#e7f7f4;color:var(--accent-teal)}
.chip-item:nth-child(4) .chip-icon{background:#fff4d9;color:var(--rating-star)}
.chip-item h3{font-size:16px;font-weight:800;margin-bottom:2px}
.chip-item p{font-size:14px;color:var(--ink-muted);line-height:1.5}

.alternate-cols{
  display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center;
}
.alternate-cols+.alternate-cols{margin-top:64px}
.alternate-cols.reversed .alt-body{order:-1}
.alt-media{
  position:relative;border-radius:26px;overflow:hidden;
  box-shadow:0 24px 60px rgba(23,28,36,.15);
}
.alt-media::after{
  content:"";position:absolute;inset:auto 0 0;height:38%;
  background:linear-gradient(180deg,transparent,rgba(16,20,26,.28));
  pointer-events:none;
}
.alt-media img{width:100%;height:300px;object-fit:cover;transition:transform .6s ease}
.alt-media:hover img{transform:scale(1.04)}
.alt-body .section-label{margin-bottom:10px}
.alt-body h3{font-size:clamp(24px,3vw,34px);margin-bottom:16px;line-height:1.3}
.alt-body p{font-size:16px;color:#57657a;line-height:1.95;margin-bottom:18px}
.alt-link{color:var(--brand-primary);font-weight:800;font-size:15px;display:inline-flex;align-items:center;gap:9px}
.alt-link:hover{gap:14px;color:var(--brand-secondary)}
.alt-link i{font-size:12px}

.scenario-card{
  background:#fff;border:1px solid #f0eadf;border-radius:22px;padding:28px 24px;
  box-shadow:0 6px 18px rgba(23,28,36,.03);transition:.3s ease;
  min-height:100%;border-top:3px solid transparent;
}
.scenario-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-hover);
  border-color:#f8e1c7;
}
.scenario-icon{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:23px;background:linear-gradient(135deg,var(--brand-energy),var(--brand-primary));
  color:#fff;box-shadow:0 10px 22px rgba(249,115,22,.24);margin-bottom:22px;
}
.scenario-card h3{font-size:19px;margin-bottom:12px}
.scenario-card p{font-size:14.5px;color:#5d6878;line-height:1.8}

.media-card{
  background:#fff;border:1px solid #eee5d9;border-radius:24px;overflow:hidden;
  transition:.32s ease;display:flex;flex-direction:column;position:relative;box-shadow:0 8px 24px rgba(23,28,36,.04);
}
.media-card:hover{
  transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:#ffd3a6;
}
.media-thumb{aspect-ratio:16/10;overflow:hidden;position:relative}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:.6s ease}
.media-card:hover .media-thumb img{transform:scale(1.08)}
.media-badge{
  position:absolute;top:14px;left:14px;z-index:2;background:rgba(255,255,255,.9);
  backdrop-filter:blur(6px);color:var(--brand-secondary);font-size:12.5px;font-weight:800;
  padding:6px 12px;border-radius:99px;
}
.media-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.media-body h3{font-size:17.5px;line-height:1.45;margin-bottom:8px}
.media-body p{font-size:14px;color:#64748b;flex:1}
.media-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between}
.media-meta{font-size:13px;color:var(--ink-muted)}
.media-arrow{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff3e8;color:var(--brand-primary);transition:.25s;font-size:14px}
.media-card:hover .media-arrow{background:var(--brand-primary);color:#fff}

.flow-section{
  background:#0f1318;color:#fff;position:relative;overflow:hidden;border-radius:0;
  padding:90px 0;
}
.flow-section::before{
  content:"";position:absolute;left:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,36,.12),transparent 60%);
}
.flow-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;
  margin-top:12px;
}
.flow-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:24px;padding:30px 24px;backdrop-filter:blur(6px);
  transition:.3s;
}
.flow-item:hover{background:rgba(255,255,255,.1);transform:translateY(-5px)}
.flow-num{
  color:transparent;-webkit-text-stroke:1.5px #ffb224;font-weight:900;font-size:42px;line-height:1;
  margin-bottom:18px;display:block;
}
.flow-item h3{color:#fff;font-size:18px;margin-bottom:10px}
.flow-item p{font-size:14px;color:rgba(255,255,255,.68)}

.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid #eee7dc;border-radius:20px;overflow:hidden;
  margin-bottom:12px;transition:.3s;
}
.faq-item:hover{border-color:#ffdfc4;box-shadow:0 12px 30px rgba(23,28,36,.07)}
.faq-q-button{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  text-align:left;padding:22px 24px;color:var(--ink-deep);font-weight:800;font-size:16px;
  transition:.2s;
}
.faq-q-button:hover{color:var(--brand-secondary)}
.faq-q-icon{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:#fdf3e9;color:var(--brand-primary);font-size:14px;transition:.35s ease;
}
.faq-item.open .faq-q-icon{background:var(--brand-primary);color:#fff;transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .32s ease;color:var(--ink-muted);
}
.faq-answer-inner{padding:0 24px 22px;line-height:1.9;font-size:15px}

.cta-section{
  position:relative;background:#0f1318;border-radius:32px;overflow:hidden;
  padding:78px 72px;display:flex;align-items:center;justify-content:space-between;gap:44px;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 10% 20%,rgba(255,178,36,.16),transparent 38%),
             radial-gradient(circle at 88% 90%,rgba(249,115,22,.18),transparent 40%);
}
.cta-content{position:relative;z-index:2;max-width:640px}
.cta-content h2{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:14px}
.cta-content p{color:rgba(255,255,255,.76)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;margin-top:16px;max-width:400px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{color:#fdba74;font-size:15px;margin-bottom:6px}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;transition:.2s;width:fit-content}
.footer-col a:hover{color:#fff;transform:translateX(3px)}

@media(max-width:1180px){
  .main-nav{display:none;position:absolute;top:calc(100% + 2px);left:12px;right:12px;display:none;background:#fff;border-radius:20px;box-shadow:var(--shadow-hover);padding:12px;flex-direction:column;align-items:stretch;gap:4px}
  .site-header.nav-open{background:#10141a;box-shadow:none}
  .site-header.nav-open .main-nav{display:flex}
  .site-header .main-nav .nav-link{width:100%;color:var(--ink-body);padding:13px 16px;font-size:15px;border-radius:14px}
  .site-header .main-nav .nav-link:hover{background:#fff1e6;color:var(--brand-secondary)}
  .site-header .main-nav .nav-link.active{background:linear-gradient(135deg,#fff0e4,#ffe5cc);color:var(--brand-primary)}
  .site-header .main-nav .nav-link.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .hero-metrics{grid-template-columns:1fr;max-width:560px}
}
@media(max-width:1024px){
  .container-site{width:min(100% - 40px,1280px)}
  .about-row{grid-template-columns:1fr;gap:36px}
  .alternate-cols{grid-template-columns:1fr;gap:40px}
  .alternate-cols.reversed .alt-body{order:0}
  .flow-grid{grid-template-columns:1fr 1fr;gap:16px}
  .cta-section{flex-direction:column;padding:52px 36px}
  .cta-actions{width:100%}
}
@media(max-width:768px){
  .section-block{padding:64px 0}
  .category-hero{padding:150px 0 70px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .search-panel-form{flex-direction:column}
}
@media(max-width:600px){
  .container-site{width:min(100% - 28px,1280px)}
  .brand-sub{display:none}
  .brand-main{font-size:16px}
  .header-actions .btn-nav-cta{display:none}
  .category-hero h1{font-size:33px}
  .hero-lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .alternate-cols{grid-template-columns:1fr;gap:30px}
  .alt-media img{height:220px}
  .flow-grid{grid-template-columns:1fr}
  .cta-section{padding:40px 24px;border-radius:22px}
  .footer-grid{gap:30px}
}

/* roulang page: category2 */
:root {
        --brand-primary: #F97316;
        --brand-secondary: #EA580C;
        --brand-energy: #FFB224;
        --ink-deep: #171C24;
        --ink-body: #1F2937;
        --ink-muted: #64748B;
        --surface-page: #F6F3EF;
        --surface-card: #FFFFFF;
        --surface-deep: #10141A;
        --line-soft: #E7E2DA;
        --accent-teal: #17A398;
        --rating-star: #F59E0B;
        --radius-card: 24px;
        --radius-btn: 12px;
        --shadow-card: 0 8px 30px rgba(23, 28, 36, 0.06);
        --shadow-hover: 0 18px 44px rgba(23, 28, 36, 0.12);
        --font-system: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--font-system);
        background: var(--surface-page);
        color: var(--ink-body);
        line-height: 1.7;
        font-size: 16px;
    }

    img {
        max-width: 100%;
        display: block;
        border-radius: 18px;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: transparent;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible {
        outline: 3px solid rgba(249, 115, 22, 0.55);
        outline-offset: 3px;
    }

    .container-site {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(246, 243, 239, 0.72);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.35);
        transition: background .3s ease, box-shadow .3s ease;
    }

    .site-header.scrolled {
        background: rgba(23, 28, 36, 0.92);
        box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        border-bottom-color: rgba(255, 255, 255, 0.08);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
        gap: 20px;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .brand-logo .logo-badge {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        display: grid;
        place-items: center;
        color: #fff;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
        box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
        font-size: 18px;
    }

    .brand-word {
        font-weight: 800;
        font-size: 21px;
        color: var(--ink-deep);
        white-space: nowrap;
        letter-spacing: 0.02em;
    }

    .site-header.scrolled .brand-word {
        color: #fff;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-link {
        padding: 10px 14px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ink-body);
        position: relative;
        transition: background .2s, color .2s;
        white-space: nowrap;
    }

    .site-header.scrolled .nav-link {
        color: #E5E7EB;
    }

    .nav-link:hover {
        color: var(--brand-primary);
        background: rgba(249, 115, 22, 0.08);
    }

    .site-header.scrolled .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
    }

    .nav-link.active {
        color: var(--brand-secondary);
    }

    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 2px;
        height: 3px;
        border-radius: 99px;
        background: linear-gradient(90deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
    }

    .site-header.scrolled .nav-link.active {
        color: #fff;
    }

    .site-header.scrolled .nav-link.active::after {
        background: var(--brand-energy);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .header-search-btn,
    .nav-toggle {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        display: grid;
        place-items: center;
        color: var(--ink-deep);
        background: rgba(255, 255, 255, 0.7);
        font-size: 18px;
        border: 1px solid rgba(23, 28, 36, 0.06);
        transition: background .2s, transform .2s;
    }

    .site-header.scrolled .header-search-btn,
    .site-header.scrolled .nav-toggle {
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        border-color: rgba(255, 255, 255, 0.15);
    }

    .header-search-btn:hover,
    .nav-toggle:hover {
        background: rgba(249, 115, 22, 0.18);
    }

    .nav-toggle {
        display: none;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 0.85rem 1.5rem;
        border-radius: var(--radius-btn);
        font-size: 16px;
        font-weight: 800;
        line-height: 1;
        transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
        border: 1.5px solid transparent;
        white-space: nowrap;
    }

    .btn-small {
        padding: 0.65rem 1.1rem;
        font-size: 14px;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
        color: #fff;
        box-shadow: 0 8px 20px rgba(249, 115, 22, 0.28);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 30px rgba(249, 115, 22, 0.32);
        filter: brightness(1.04);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

    .btn-outline {
        border-color: var(--brand-primary);
        color: var(--brand-secondary);
        background: rgba(249, 115, 22, 0.05);
    }

    .btn-outline:hover {
        background: rgba(249, 115, 22, 0.1);
        transform: translateY(-2px);
    }

    .btn-dark {
        background: var(--ink-deep);
        color: #fff;
        box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
    }

    .btn-dark:hover {
        transform: translateY(-2px);
    }

    .btn-light {
        background: #fff;
        color: #B34B0A;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }

    .btn-light:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    }

    .btn-white-outline {
        border: 1.5px solid rgba(255, 255, 255, 0.8);
        color: #fff;
        background: rgba(255, 255, 255, 0.1);
    }

    .btn-white-outline:hover {
        background: rgba(255, 255, 255, 0.16);
        transform: translateY(-2px);
    }

    .global-search-panel {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(23, 28, 36, 0.08);
    }

    .global-search-panel.show {
        max-height: 120px;
    }

    .global-search-inner {
        width: 90%;
        max-width: 720px;
        margin: 0 auto;
        padding: 20px 0;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .global-search-inner input {
        width: 100%;
        height: 48px;
        border-radius: 12px;
        border: 1.5px solid var(--line-soft);
        padding: 0 18px;
        background: var(--surface-page);
        font-size: 16px;
        outline: none;
    }

    .global-search-inner input:focus {
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.18);
    }

    .site-header.scrolled .nav-link {
        color: #d1d5db;
    }

    .section-padding {
        padding: 92px 0;
    }

    .section-title {
        font-size: clamp(30px, 4vw, 42px);
        line-height: 1.3;
        color: var(--ink-deep);
        font-weight: 900;
        margin: 6px 0 14px;
        letter-spacing: -0.02em;
    }

    .section-subtitle {
        font-size: 18px;
        line-height: 1.8;
        color: var(--ink-muted);
        max-width: 640px;
    }

    .section-head {
        margin-bottom: 40px;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--brand-secondary);
        margin-bottom: 8px;
    }

    .eyebrow i {
        color: var(--brand-primary);
    }

    .member-hero {
        padding: 170px 0 90px;
        background:
            radial-gradient(circle at 80% 10%, rgba(255, 178, 36, 0.18), transparent 28%),
            radial-gradient(circle at 10% 80%, rgba(23, 163, 152, 0.1), transparent 22%),
            linear-gradient(180deg, #FFF9F0 0%, var(--surface-page) 90%);
        position: relative;
        overflow: hidden;
    }

    .member-hero::before {
        content: "";
        width: 300px;
        height: 300px;
        border: 1px solid rgba(249, 115, 22, 0.12);
        position: absolute;
        right: -90px;
        top: 80px;
        transform: rotate(20deg);
        border-radius: 42px;
        background: rgba(249, 115, 22, 0.04);
    }

    .member-hero-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 60px;
        align-items: center;
        position: relative;
    }

    .member-hero-copy {
        max-width: 680px;
    }

    .member-hero h1 {
        font-size: clamp(36px, 5vw, 58px);
        line-height: 1.18;
        font-weight: 900;
        color: var(--ink-deep);
        margin: 10px 0 24px;
        letter-spacing: -0.02em;
    }

    .member-hero p {
        font-size: 18px;
        line-height: 1.9;
        color: var(--ink-muted);
        margin-bottom: 30px;
    }

    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 26px;
    }

    .hero-note-row {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-note-row span {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid var(--line-soft);
        padding: 8px 14px;
        border-radius: 99px;
        font-size: 14px;
        font-weight: 600;
        color: var(--ink-body);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .hero-note-row i {
        color: var(--brand-primary);
    }

    .member-hero-media {
        position: relative;
        padding-bottom: 44px;
    }

    .hero-media-main {
        border-radius: 34px;
        overflow: hidden;
        box-shadow: 0 26px 80px rgba(23, 28, 36, 0.18);
        transform: rotate(2deg);
        border: 2px solid rgba(255, 255, 255, 0.8);
        background: #fff;
    }

    .hero-media-main img {
        border-radius: 32px;
        width: 100%;
        height: 440px;
        object-fit: cover;
    }

    .hero-media-float {
        position: absolute;
        left: -34px;
        bottom: 0;
        width: 210px;
        border-radius: 22px;
        overflow: hidden;
        box-shadow: 0 16px 40px rgba(23, 28, 36, 0.14);
        border: 4px solid #fff;
        z-index: 2;
        transform: rotate(-6deg);
    }

    .hero-media-float img {
        width: 100%;
        height: 150px;
        object-fit: cover;
    }

    .hero-bubble {
        position: absolute;
        top: 20px;
        right: 4px;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(12px);
        border-radius: 20px;
        padding: 18px 22px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        display: flex;
        align-items: center;
        gap: 12px;
        border: 1px solid rgba(255, 255, 255, 0.5);
        z-index: 3;
        transform: rotate(2deg);
    }

    .hero-bubble .status-ic {
        width: 46px;
        height: 46px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: rgba(23, 163, 152, 0.12);
        color: var(--accent-teal);
        font-size: 20px;
    }

    .hero-bubble strong {
        display: block;
        font-size: 16px;
        color: var(--ink-deep);
    }

    .hero-bubble small {
        font-size: 13px;
        color: var(--ink-muted);
    }

    .filter-toolbar {
        margin-top: -28px;
        position: relative;
        z-index: 10;
    }

    .toolbar-card {
        background: #fff;
        border-radius: 24px;
        box-shadow: 0 18px 48px rgba(23, 28, 36, 0.08);
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 18px;
        padding: 20px 24px;
        border: 1px solid var(--line-soft);
    }

    .toolbar-label {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        color: var(--ink-deep);
    }

    .toolbar-label i {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        display: grid;
        place-items: center;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary));
        color: #fff;
    }

    .chip-group {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .chip {
        padding: 9px 18px;
        border-radius: 99px;
        background: var(--surface-card);
        border: 1px solid var(--line-soft);
        font-size: 14px;
        font-weight: 700;
        color: var(--ink-body);
        transition: all .2s ease;
    }

    .chip:hover,
    .chip.active {
        background: #FFF4EB;
        border-color: var(--brand-primary);
        color: var(--brand-secondary);
    }

    .toolbar-search {
        position: relative;
        min-width: 230px;
    }

    .toolbar-search input {
        width: 100%;
        height: 46px;
        border-radius: 99px;
        background: var(--surface-page);
        border: 1px solid var(--line-soft);
        padding: 0 46px 0 18px;
        font-size: 14px;
        outline: none;
        transition: border-color .2s, box-shadow .2s;
    }

    .toolbar-search input:focus {
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.12);
    }

    .toolbar-search i {
        position: absolute;
        right: 18px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--ink-muted);
        pointer-events: none;
    }

    .service-showcase {
        padding: 90px 0 0;
    }

    .benefit-list {
        display: flex;
        flex-direction: column;
        gap: 28px;
        margin-top: 52px;
    }

    .benefit-row {
        display: grid;
        grid-template-columns: 420px 1fr;
        gap: 36px;
        background: var(--surface-card);
        border-radius: 30px;
        border: 1px solid var(--line-soft);
        box-shadow: var(--shadow-card);
        padding: 20px;
        overflow: hidden;
        transition: transform .3s, box-shadow .3s;
        align-items: stretch;
    }

    .benefit-row:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .benefit-row.reversed {
        grid-template-columns: 1fr 420px;
    }

    .benefit-row.reversed .benefit-media {
        order: 2;
    }

    .benefit-row.reversed .benefit-detail {
        order: 1;
        padding-left: 16px;
    }

    .benefit-media {
        border-radius: 20px;
        overflow: hidden;
        min-height: 290px;
        position: relative;
        background: #F4F5F7;
    }

    .benefit-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .6s ease;
    }

    .benefit-row:hover .benefit-media img {
        transform: scale(1.05);
    }

    .benefit-media-tag {
        position: absolute;
        left: 18px;
        top: 18px;
        background: rgba(23, 28, 36, 0.72);
        backdrop-filter: blur(8px);
        color: #fff;
        border-radius: 99px;
        padding: 6px 14px;
        font-size: 13px;
        font-weight: 700;
        z-index: 2;
    }

    .benefit-detail {
        display: flex;
        flex-direction: column;
        padding: 18px 12px 10px 8px;
    }

    .benefit-detail .b-line {
        font-size: 14px;
        font-weight: 700;
        color: var(--brand-secondary);
        margin-bottom: 10px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .benefit-detail h3 {
        font-size: 26px;
        font-weight: 800;
        color: var(--ink-deep);
        margin: 0 0 12px;
        line-height: 1.3;
    }

    .benefit-detail p {
        font-size: 16px;
        line-height: 1.85;
        color: var(--ink-muted);
        margin: 0 0 18px;
        flex: 1;
    }

    .benefit-check-list {
        list-style: none;
        margin: 0 0 22px;
        padding: 0;
        display: grid;
        gap: 8px;
    }

    .benefit-check-list li {
        padding-left: 30px;
        position: relative;
    }

    .benefit-check-list li::before {
        content: "\f00c";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 0;
        color: var(--accent-teal);
        background: rgba(23, 163, 152, 0.1);
        width: 20px;
        height: 20px;
        border-radius: 50%;
        font-size: 10px;
        display: grid;
        place-items: center;
    }

    .benefit-btn-row {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        padding-top: 6px;
    }

    .data-strip {
        background: var(--ink-deep);
        border-radius: 30px;
        color: #fff;
        padding: 42px 40px;
        margin-top: 90px;
        position: relative;
        overflow: hidden;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        box-shadow: 0 20px 50px rgba(23, 28, 36, 0.25);
    }

    .data-strip::after {
        content: "";
        width: 180px;
        height: 180px;
        border-radius: 50%;
        background: rgba(255, 178, 36, 0.2);
        position: absolute;
        right: -40px;
        bottom: -60px;
    }

    .data-item {
        position: relative;
        z-index: 2;
    }

    .data-item strong {
        font-size: 36px;
        font-weight: 900;
        color: var(--brand-energy);
        display: block;
        line-height: 1.2;
    }

    .data-item span {
        color: #CBD5E1;
        font-size: 15px;
    }

    .level-section {
        padding: 96px 0 0;
    }

    .rank-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
        margin-top: 42px;
    }

    .rank-card {
        background: #fff;
        border: 1px solid var(--line-soft);
        border-radius: 28px;
        padding: 32px 28px;
        transition: transform .3s, box-shadow .3s;
        position: relative;
        overflow: hidden;
    }

    .rank-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .rank-card.rank-middle {
        background: linear-gradient(150deg, #171C24 0%, #252D38 100%);
        color: #fff;
        border: none;
        transform: scale(1.02);
        box-shadow: 0 16px 46px rgba(23, 28, 36, 0.3);
    }

    .rank-card.rank-middle:hover {
        transform: scale(1.03) translateY(-8px);
    }

    .rank-card .rank-label {
        display: inline-block;
        background: rgba(249, 115, 22, 0.12);
        color: var(--brand-secondary);
        font-weight: 800;
        letter-spacing: 0.1em;
        padding: 6px 14px;
        border-radius: 99px;
        font-size: 13px;
    }

    .rank-middle .rank-label {
        background: rgba(255, 178, 36, 0.2);
        color: var(--brand-energy);
    }

    .rank-card h3 {
        font-size: 24px;
        margin: 22px 0 8px;
        font-weight: 800;
        color: var(--ink-deep);
    }

    .rank-middle h3 {
        color: #fff;
    }

    .rank-card p {
        color: var(--ink-muted);
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 16px;
    }

    .rank-middle p {
        color: #CBD5E1;
    }

    .rank-tags-list {
        list-style: none;
        padding: 0;
        margin: 0 0 22px;
        display: grid;
        gap: 10px;
    }

    .rank-tags-list li {
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }

    .rank-tags-list li i {
        color: var(--brand-primary);
        margin-top: 5px;
    }

    .rank-middle .rank-tags-list li i {
        color: var(--brand-energy);
    }

    .level-note {
        font-size: 14px;
        color: var(--ink-muted);
        text-align: center;
        margin-top: 18px;
    }

    .faq-section {
        background: #F0ECE6;
    }

    .faq-wrap {
        max-width: 1000px;
        margin: 42px auto 0;
    }

    .faq-item {
        background: var(--surface-card);
        border: 1px solid var(--line-soft);
        border-radius: 18px;
        margin-bottom: 14px;
        overflow: hidden;
        transition: box-shadow .25s;
    }

    .faq-item.open {
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
    }

    .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding: 22px 24px;
        font-size: 17px;
        font-weight: 700;
        color: var(--ink-deep);
        background: transparent;
        text-align: left;
        transition: background .2s;
    }

    .faq-q:hover {
        background: #FBF8F4;
    }

    .faq-icon {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
        border-radius: 50%;
        border: 1.5px solid var(--brand-primary);
        color: var(--brand-secondary);
        display: grid;
        place-items: center;
        font-size: 16px;
        transition: transform .3s, background .2s, color .2s;
    }

    .faq-item.open .faq-icon {
        background: var(--brand-primary);
        color: #fff;
        transform: rotate(45deg);
    }

    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
        padding: 0 26px;
        color: var(--ink-muted);
        line-height: 1.85;
        font-size: 15px;
    }

    .cta-section {
        padding: 80px 0 96px;
    }

    .cta-band {
        background: linear-gradient(135deg, #FFB224, #F97316 55%, #EA580C);
        border-radius: 36px;
        padding: 68px 64px;
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        color: #fff;
        box-shadow: 0 30px 60px rgba(234, 88, 12, 0.3);
    }

    .cta-band::before {
        content: "";
        width: 280px;
        height: 280px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        position: absolute;
        top: -120px;
        right: -70px;
        background: rgba(255, 255, 255, 0.06);
    }

    .cta-copy {
        position: relative;
        z-index: 2;
    }

    .cta-copy h2 {
        font-size: clamp(30px, 4vw, 44px);
        line-height: 1.25;
        font-weight: 900;
        margin: 0 0 16px;
        color: #fff;
    }

    .cta-copy p {
        font-size: 16px;
        line-height: 1.8;
        max-width: 600px;
        margin: 0;
        color: rgba(255, 255, 255, 0.92);
    }

    .cta-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        position: relative;
        z-index: 3;
    }

    .site-footer {
        background: var(--surface-deep);
        color: #9CA3AF;
        padding: 60px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand p {
        margin: 16px 0 0;
        font-size: 15px;
        line-height: 1.8;
        max-width: 430px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 17px;
        margin: 0 0 18px;
        font-weight: 800;
    }

    .footer-col a {
        display: block;
        color: #9CA3AF;
        padding: 5px 0;
        font-size: 15px;
        transition: color .2s;
    }

    .footer-col a:hover {
        color: var(--brand-energy);
    }

    .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        color: #fff;
    }

    .footer-logo .logo-badge {
        width: 40px;
        height: 40px;
        border-radius: 13px;
        display: grid;
        place-items: center;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
        color: #fff;
        font-size: 18px;
        box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
    }

    .footer-bottom {
        padding: 22px 0 28px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-size: 14px;
        color: #6B7280;
        flex-wrap: wrap;
    }

    .footer-bottom .sep {
        margin: 0 10px;
        color: #4B5563;
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        .member-hero-grid {
            grid-template-columns: 1fr;
            gap: 50px;
        }
        .member-hero-media {
            max-width: 640px;
        }
        .benefit-row,
        .benefit-row.reversed {
            grid-template-columns: 300px 1fr;
        }
        .benefit-row.reversed .benefit-media {
            order: 2;
        }
        .benefit-row.reversed .benefit-detail {
            order: 1;
            padding-left: 0;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .data-strip {
            grid-template-columns: 1fr 1fr;
        }
        .cta-band {
            flex-direction: column;
            align-items: flex-start;
            padding: 48px 36px;
        }
        .rank-grid {
            grid-template-columns: 1fr;
        }
        .rank-card.rank-middle {
            transform: none;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            height: 68px;
        }
        .brand-word {
            font-size: 18px;
        }
        .main-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--ink-deep);
            flex-direction: column;
            padding: 12px;
            gap: 6px;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
            box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
        }
        .main-nav.open {
            display: flex;
        }
        .nav-link,
        .site-header.scrolled .nav-link {
            color: #F9FAFB;
            font-size: 16px;
            width: 100%;
            border-radius: 12px;
        }
        .nav-link.active {
            background: rgba(249, 115, 22, 0.22);
            color: var(--brand-energy);
        }
        .nav-link.active::after {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
        }
        .header-search-btn.btn-mobile {
            display: none;
        }
        .container-site {
            padding: 0 16px;
        }
        .member-hero {
            padding: 130px 0 70px;
        }
        .member-hero-grid {
            grid-template-columns: 1fr;
            gap: 44px;
        }
        .member-hero h1 {
            font-size: 36px;
        }
        .member-hero-media {
            max-width: 480px;
        }
        .hero-media-main img {
            height: 300px;
        }
        .hero-media-float {
            width: 160px;
            left: -10px;
        }
        .hero-media-float img {
            height: 110px;
        }
        .hero-bubble {
            top: -12px;
            right: 8px;
            padding: 14px 16px;
        }
        .toolbar-card {
            flex-direction: column;
            align-items: stretch;
        }
        .toolbar-search {
            min-width: 0;
        }
        .section-padding {
            padding: 68px 0;
        }
        .benefit-list {
            margin-top: 24px;
        }
        .benefit-row,
        .benefit-row.reversed {
            grid-template-columns: 1fr;
            padding: 14px;
            gap: 16px;
        }
        .benefit-media {
            min-height: 200px;
        }
        .benefit-detail {
            padding: 10px 6px;
        }
        .benefit-row.reversed .benefit-media {
            order: 0;
        }
        .benefit-row.reversed .benefit-detail {
            order: 1;
            padding-left: 8px;
        }
        .data-strip {
            grid-template-columns: 1fr;
            padding: 32px 24px;
            gap: 22px;
            margin-top: 60px;
        }
        .data-item strong {
            font-size: 30px;
        }
        .level-section {
            padding-top: 70px;
        }
        .rank-grid {
            grid-template-columns: 1fr;
            margin-top: 30px;
        }
        .rank-card.rank-middle {
            transform: none;
        }
        .cta-section {
            padding: 60px 0 70px;
        }
        .cta-band {
            padding: 42px 24px;
            flex-direction: column;
            align-items: flex-start;
            border-radius: 28px;
        }
        .cta-actions {
            width: 100%;
        }
        .cta-actions .btn {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
        }
    }

    @media (max-width: 520px) {
        .header-actions .btn-small {
            display: none;
        }
        .section-title {
            font-size: 28px;
        }
        .member-hero h1 {
            font-size: 32px;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .hero-actions {
            flex-direction: column;
        }
        .benefit-detail h3 {
            font-size: 22px;
        }
    }

/* roulang page: category4 */
:root {
        --brand-primary: #F97316;
        --brand-secondary: #EA580C;
        --brand-energy: #FFB224;
        --ink-deep: #171C24;
        --ink-body: #1F2937;
        --ink-muted: #64748B;
        --surface-page: #F6F3EF;
        --surface-card: #FFFFFF;
        --surface-deep: #10141A;
        --line-soft: #E7E2DA;
        --accent-teal: #17A398;
        --rating-star: #F59E0B;
        --radius-lg: 20px;
        --radius-xl: 24px;
        --shadow-soft: 0 18px 45px -28px rgba(23, 28, 36, 0.35);
        --shadow-hover: 0 24px 50px -30px rgba(234, 88, 12, 0.4);
    }

    * , *::before, *::after { box-sizing: border-box; }

    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

    body {
        margin: 0;
        font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        color: var(--ink-body);
        background: var(--surface-page);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font-family: inherit; }
    input, select, textarea { font-family: inherit; }
    h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink-deep); font-weight: 800; line-height: 1.3; }

    .container-site {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    @media (min-width: 640px) {
        .container-site { padding-left: 1.5rem; padding-right: 1.5rem; }
    }
    @media (min-width: 1024px) {
        .container-site { padding-left: 2rem; padding-right: 2rem; }
    }

    .section-space { padding: 88px 0; }
    @media (max-width: 640px) { .section-space { padding: 60px 0; } }

    .section-head { max-width: 760px; margin-bottom: 44px; }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 800;
        color: var(--brand-secondary);
        background: rgba(249, 115, 22, 0.1);
        border: 1px solid rgba(249, 115, 22, 0.2);
        border-radius: 999px;
        padding: 7px 16px;
        margin-bottom: 18px;
        letter-spacing: 0.03em;
    }
    .section-title { font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.02em; }
    .section-sub { margin-top: 12px; color: var(--ink-muted); font-size: 17px; line-height: 1.85; }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 48px;
        padding: 0 26px;
        font-weight: 700;
        border-radius: 14px;
        cursor: pointer;
        border: 0;
        transition: all 0.2s ease;
        font-size: 16px;
        white-space: nowrap;
    }
    .btn:focus-visible, .nav-toggle:focus-visible, .nav-link:focus-visible, .faq-toggle:focus-visible, .tab-btn:focus-visible, a:focus-visible {
        outline: 3px solid rgba(249, 115, 22, 0.55);
        outline-offset: 3px;
    }
    .btn-primary {
        color: #fff;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary) 45%, var(--brand-secondary));
        box-shadow: 0 12px 30px -12px rgba(234, 88, 12, 0.6);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(234, 88, 12, 0.72); filter: brightness(1.04); }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 8px 20px -12px rgba(234, 88, 12, 0.6); }
    .btn-light {
        background: #fff;
        color: var(--ink-deep);
        box-shadow: 0 12px 28px -18px rgba(0, 0, 0, 0.4);
    }
    .btn-light:hover { transform: translateY(-2px); background: #fff7ed; }
    .btn-outline {
        background: transparent;
        border: 1.5px solid #fff;
        color: #fff;
    }
    .btn-outline:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-2px); }
    .btn-dark {
        background: var(--ink-deep);
        color: #fff;
        box-shadow: 0 14px 28px -18px rgba(16, 20, 26, 0.6);
    }
    .btn-dark:hover { transform: translateY(-2px); background: #1f2731; }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(255, 255, 255, 0.72);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 8px 30px -24px rgba(23, 28, 36, 0.35);
        transition: background 0.35s ease, box-shadow 0.35s ease;
    }
    .site-header.is-scrolled {
        background: rgba(255, 255, 255, 0.94);
        border-bottom-color: rgba(231, 226, 218, 0.8);
        box-shadow: 0 12px 40px -24px rgba(23, 28, 36, 0.22);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 76px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        min-width: 0;
    }
    .logo-badge {
        width: 42px;
        height: 42px;
        flex: 0 0 42px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-secondary));
        color: #fff;
        font-size: 18px;
        box-shadow: 0 8px 20px -10px rgba(234, 88, 12, 0.55);
    }
    .brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
    .brand-core { font-size: 19px; font-weight: 900; color: var(--ink-deep); letter-spacing: 0.01em; }
    .brand-tag { font-size: 11px; font-weight: 700; color: var(--brand-secondary); letter-spacing: 0.16em; }
    .main-nav { display: none; align-items: center; gap: 4px; }
    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 9px 15px;
        font-weight: 700;
        font-size: 15px;
        color: var(--ink-body);
        border-radius: 999px;
        transition: all 0.2s ease;
        position: relative;
    }
    .nav-link:hover { color: var(--brand-primary); background: rgba(249, 115, 22, 0.08); }
    .nav-link.active { color: var(--brand-secondary); background: rgba(249, 115, 22, 0.12); }
    .header-actions { display: flex; align-items: center; gap: 10px; }
    .icon-btn {
        width: 44px;
        height: 44px;
        border-radius: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--ink-deep);
        background: rgba(23, 28, 36, 0.05);
        border: 0;
        font-size: 16px;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .icon-btn:hover { color: var(--brand-primary); background: rgba(249, 115, 22, 0.1); }
    .nav-toggle { display: inline-flex; }
    @media (min-width: 1024px) {
        .main-nav { display: flex; }
        .nav-toggle { display: none; }
    }
    .btn-header { display: none; }
    @media (min-width: 700px) { .btn-header { display: inline-flex; } }

    .mobile-drop {
        max-height: 0;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.98);
        transition: max-height 0.35s ease;
        border-top: 0 solid #eee5d8;
    }
    .mobile-drop.is-open { max-height: 430px; border-top-width: 1px; }
    .mobile-wrap { padding: 14px 20px 20px; }
    .mobile-nav { display: flex; flex-direction: column; gap: 6px; }
    .mobile-nav .nav-link { border-radius: 14px; font-size: 16px; }
    @media (min-width: 1024px) { .mobile-drop { display: none; } }

    .interior-hero {
        position: relative;
        min-height: 82vh;
        padding-top: 76px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        overflow: hidden;
        background: var(--ink-deep);
    }
    .interior-hero .hero-media {
        position: absolute;
        inset: 0;
        background-image: url("/assets/images/backpic/back-3.webp");
        background-size: cover;
        background-position: center;
        z-index: 1;
    }
    .interior-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 2;
        background: linear-gradient(180deg, rgba(16, 20, 26, 0.34), rgba(16, 20, 26, 0.72) 78%, rgba(246, 243, 239, 0.96) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 3;
        max-width: 840px;
        padding: 80px 20px 70px;
        color: #fff;
    }
    .hero-crumb {
        display: inline-flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.8);
        margin-bottom: 24px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 8px 16px;
        border-radius: 999px;
        backdrop-filter: blur(6px);
    }
    .hero-crumb i { color: var(--brand-energy); }
    .hero-crumb a:hover { color: #fff; }
    .hero-title {
        font-size: clamp(36px, 5.2vw, 60px);
        line-height: 1.15;
        color: #fff;
        text-shadow: 0 2px 28px rgba(0, 0, 0, 0.25);
        margin-bottom: 22px;
    }
    .hero-lead {
        font-size: clamp(16px, 2vw, 19px);
        line-height: 1.85;
        color: rgba(255, 255, 255, 0.88);
        max-width: 650px;
        margin: 0 auto 30px;
    }
    .hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
    .hero-floating-feature {
        position: absolute;
        z-index: 4;
        left: 50%;
        bottom: 4%;
        transform: translateX(-50%);
        width: min(640px, 90%);
        background: rgba(255, 252, 248, 0.72);
        backdrop-filter: blur(14px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        border-radius: 18px;
        padding: 14px 8px 10px;
        box-shadow: 0 24px 70px -40px rgba(0, 0, 0, 0.45);
    }
    .stats-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stats-item { text-align: center; padding: 10px 6px; }
    .stats-icon { color: var(--brand-primary); font-size: 17px; margin-bottom: 4px; }
    .stats-item b { display: block; font-size: 22px; color: var(--ink-deep); font-weight: 900; letter-spacing: -0.03em; }
    .stats-item span { font-size: 12px; color: var(--ink-muted); display: block; margin-top: 2px; }
    @media (min-width: 820px) {
        .stats-strip { grid-template-columns: repeat(4, 1fr); }
        .stats-item { padding: 11px 8px; }
    }

    .intro-card {
        background: var(--surface-card);
        border-radius: var(--radius-xl);
        padding: clamp(24px, 4vw, 40px);
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(231, 226, 218, 0.7);
        display: grid;
        gap: 28px;
        grid-template-columns: 1fr;
        align-items: center;
        margin-top: 90px;
    }
    @media (min-width: 900px) {
        .intro-card { grid-template-columns: 1.05fr 0.95fr; }
    }
    .intro-item h3 { font-size: 26px; margin-bottom: 14px; }
    .intro-item p { color: var(--ink-muted); line-height: 1.9; }
    .intro-item ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 13px; }
    .intro-item li { display: flex; gap: 11px; align-items: flex-start; color: var(--ink-body); font-size: 16px; }
    .intro-item li i { margin-top: 4px; color: var(--accent-teal); font-size: 14px; width: 18px; text-align: center; }
    .intro-figure { position: relative; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--line-soft); box-shadow: 0 20px 45px -30px rgba(16, 20, 26, 0.38); }
    .intro-figure img { width: 100%; height: 260px; object-fit: cover; }
    @media (min-width: 640px) { .intro-figure img { height: 330px; } }
    .figure-float {
        position: absolute;
        right: -14px;
        bottom: -14px;
        background: var(--ink-deep);
        color: #fff;
        padding: 16px 18px;
        border-radius: 16px;
        box-shadow: 0 14px 35px -14px rgba(0, 0, 0, 0.45);
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 13px;
    }
    .figure-float i { color: var(--brand-energy); font-size: 20px; }

    .trust-band {
        background: var(--ink-deep);
        color: #fff;
        border-radius: 28px;
        padding: clamp(30px, 5vw, 54px);
        display: grid;
        gap: 22px;
        grid-template-columns: 1fr;
        margin-top: -36px;
        position: relative;
        z-index: 5;
    }
    @media (min-width: 768px) {
        .trust-band { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1080px) {
        .trust-band { grid-template-columns: repeat(4, 1fr); }
    }
    .trust-cell { display: flex; gap: 15px; align-items: flex-start; }
    .trust-cell .cell-icon {
        width: 52px;
        height: 52px;
        flex: 0 0 52px;
        border-radius: 16px;
        background: rgba(255, 178, 36, 0.14);
        color: var(--brand-energy);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        border: 1px solid rgba(255, 178, 36, 0.24);
    }
    .trust-cell h3 { color: #fff; font-size: 17px; margin-bottom: 6px; }
    .trust-cell p { margin: 0; color: rgba(255, 255, 255, 0.62); font-size: 14px; line-height: 1.7; }

    .filter-tabs {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-bottom: 38px;
    }
    .tab-btn {
        border: 0;
        background: #fff;
        border: 1px solid var(--line-soft);
        color: var(--ink-muted);
        font-weight: 700;
        font-size: 14px;
        height: 44px;
        padding: 0 20px;
        border-radius: 999px;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .tab-btn:hover { border-color: rgba(249, 115, 22, 0.45); color: var(--brand-secondary); }
    .tab-btn.is-active { color: #fff; border-color: var(--brand-primary); background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary) 50%, var(--brand-secondary)); box-shadow: 0 10px 24px -14px rgba(234, 88, 12, 0.65); }

    .event-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 22px;
    }
    @media (min-width: 640px) { .event-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1080px) { .event-grid { grid-template-columns: repeat(3, 1fr); } }
    .event-card {
        background: #fff;
        border-radius: 22px;
        overflow: hidden;
        border: 1px solid var(--line-soft);
        transition: transform 0.25s ease, box-shadow 0.25s ease;
        display: flex;
        flex-direction: column;
        height: 100%;
    }
    .event-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); }
    .event-cover { position: relative; }
    .event-cover img { width: 100%; height: 190px; object-fit: cover; }
    .event-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255, 255, 255, 0.92);
        color: var(--brand-secondary);
        font-weight: 800;
        font-size: 12px;
        padding: 6px 13px;
        border-radius: 999px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.13);
    }
    .event-state {
        position: absolute;
        right: 14px;
        top: 14px;
        background: rgba(23, 28, 36, 0.7);
        backdrop-filter: blur(5px);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 5px 12px;
        border-radius: 999px;
    }
    .event-content { padding: 24px 22px 20px; display: flex; flex-direction: column; flex: 1; }
    .event-content h3 { font-size: 19px; color: var(--ink-deep); margin-bottom: 8px; }
    .event-content h3 a:hover { color: var(--brand-primary); }
    .event-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 12px; }
    .mini-tag { font-size: 12px; padding: 4px 10px; background: #f5f0e9; color: var(--ink-muted); border-radius: 999px; font-weight: 600; }
    .mini-tag.feature { background: rgba(23, 163, 152, 0.1); color: #0c766f; }
    .event-desc { color: var(--ink-muted); font-size: 15px; line-height: 1.8; margin-bottom: 18px; }
    .event-link-row { margin-top: auto; display: flex; align-items: center; justify-content: space-between; }
    .event-link { color: var(--brand-secondary); font-weight: 800; font-size: 14px; display: inline-flex; align-items: center; gap: 7px; }
    .event-link:hover { gap: 11px; }
    .event-time { color: var(--ink-muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }

    .featured-event {
        background: var(--ink-deep);
        border-radius: 28px;
        overflow: hidden;
        display: grid;
        grid-template-columns: 1fr;
        border: 1px solid rgba(255, 255, 255, 0.06);
    }
    @media (min-width: 920px) {
        .featured-event { grid-template-columns: 0.94fr 1.06fr; }
    }
    .featured-media { min-height: 320px; position: relative; }
    .featured-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .featured-media::after { content: ""; background: linear-gradient(90deg, rgba(16, 20, 26, 0.25), transparent); }
    .featured-copy { padding: clamp(26px, 5vw, 52px); color: #fff; }
    .featured-copy h2 { color: #fff; font-size: clamp(26px, 4vw, 38px); margin-bottom: 14px; }
    .featured-copy p { color: rgba(255, 255, 255, 0.72); font-size: 17px; line-height: 1.9; }
    .feature-list { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 14px; }
    .feature-list li { display: flex; gap: 11px; color: rgba(255, 255, 255, 0.88); font-size: 16px; }
    .feature-list i { color: var(--brand-energy); margin-top: 6px; }
    .featured-cta { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }

    .step-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
    @media (min-width: 600px) { .step-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1000px) { .step-grid { grid-template-columns: repeat(4, 1fr); } }
    .step-card {
        background: #fff;
        position: relative;
        border-radius: 20px;
        padding: 30px 24px 24px;
        border: 1px solid var(--line-soft);
        transition: all 0.25s ease;
    }
    .step-card:hover { box-shadow: var(--shadow-soft); transform: translateY(-4px); }
    .step-num {
        font-size: 34px;
        font-weight: 900;
        -webkit-text-fill-color: transparent;
        background: linear-gradient(135deg, var(--brand-energy), var(--brand-secondary));
        -webkit-background-clip: text;
        background-clip: text;
        line-height: 1;
    }
    .step-card h3 { font-size: 18px; margin: 12px 0 10px; }
    .step-card p { color: var(--ink-muted); font-size: 15px; line-height: 1.8; margin: 0; }
    .step-card i { position: absolute; right: 20px; top: 24px; color: rgba(23, 28, 36, 0.08); font-size: 26px; }

    .guide-note {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 20px;
        background: linear-gradient(135deg, rgba(255, 178, 36, 0.16), rgba(249, 115, 22, 0.1) 45%, rgba(234, 88, 12, 0.12));
        border: 1px solid rgba(249, 115, 22, 0.22);
        border-radius: 18px;
        padding: 20px 22px;
        color: var(--ink-body);
        margin-top: 26px;
        flex-wrap: wrap;
    }
    .guide-note b { color: var(--brand-secondary); }
    .guide-note span { font-size: 15px; }
    .guide-note i { color: var(--brand-secondary); }

    .faq-wrap { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
    .faq-item {
        background: #fff;
        border: 1px solid var(--line-soft);
        border-radius: 18px;
        overflow: hidden;
        transition: border 0.2s ease, box-shadow 0.2s ease;
    }
    .faq-item.is-open { border-color: rgba(249, 115, 22, 0.3); box-shadow: var(--shadow-soft); }
    .faq-toggle {
        width: 100%;
        background: transparent;
        border: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 18px;
        text-align: left;
        padding: 19px 22px;
        font-weight: 800;
        font-size: 16px;
        color: var(--ink-deep);
        cursor: pointer;
    }
    .faq-toggle i {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: #f5eee6;
        color: var(--brand-secondary);
        border-radius: 10px;
        flex: 0 0 32px;
        transition: transform 0.25s ease;
    }
    .faq-item.is-open .faq-toggle i { transform: rotate(45deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .faq-inner { padding: 0 22px 20px; color: var(--ink-muted); line-height: 1.9; font-size: 15px; }

    .cta-panel {
        background: linear-gradient(135deg, var(--ink-deep), #28313a);
        border-radius: 28px;
        padding: clamp(34px, 6vw, 64px);
        color: #fff;
        position: relative;
        overflow: hidden;
        display: grid;
        gap: 28px;
        grid-template-columns: 1fr;
    }
    .cta-panel::before {
        content: "";
        position: absolute;
        right: -80px;
        top: -50px;
        width: 280px;
        height: 280px;
        background: radial-gradient(closest-side, rgba(255, 178, 36, 0.3), transparent 72%);
    }
    @media (min-width: 900px) {
        .cta-panel { grid-template-columns: 1fr 0.85fr; align-items: center; }
    }
    .cta-panel h2 { color: #fff; font-size: clamp(28px, 4vw, 38px); margin-bottom: 14px; }
    .cta-panel p { color: rgba(255, 255, 255, 0.73); line-height: 1.9; font-size: 16px; max-width: 540px; }
    .cta-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
    .cta-form {
        background: #fff;
        border-radius: 21px;
        padding: 26px 24px;
        color: var(--ink-body);
        position: relative;
        z-index: 3;
        box-shadow: 0 25px 70px -36px rgba(0, 0, 0, 0.45);
    }
    .cta-form h3 { color: var(--ink-deep); margin-bottom: 4px; }
    .cta-form .form-note { font-size: 13px; color: var(--ink-muted); margin-bottom: 18px; }
    .field-group { margin-bottom: 14px; }
    .field-group label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; color: #39434f; }
    .field-group input, .field-group textarea {
        width: 100%;
        border: 1.5px solid #e4ddd3;
        border-radius: 12px;
        height: 48px;
        padding: 0 14px;
        font-size: 15px;
        transition: all 0.2s ease;
        background: #fff;
        color: var(--ink-body);
    }
    .field-group textarea { height: auto; min-height: 90px; padding-top: 12px; resize: vertical; }
    .field-group input:focus, .field-group textarea:focus {
        outline: none;
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
    }
    .form-submit { width: 100%; border: 0; height: 50px; border-radius: 13px; font-weight: 800; cursor: pointer; background: linear-gradient(135deg, var(--brand-energy), var(--brand-secondary)); color: #fff; font-size: 16px; transition: all 0.2s ease; margin-top: 4px; }
    .form-submit:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(234, 88, 12, 0.55); }
    .form-success { display: none; text-align: center; background: rgba(23, 163, 152, 0.1); color: #0b766e; border-radius: 12px; padding: 10px; font-weight: 700; font-size: 14px; }

    .site-footer {
        background: var(--surface-deep);
        color: rgba(255, 255, 255, 0.65);
        padding: 70px 0 30px;
        margin-top: 100px;
        font-size: 14px;
    }
    .footer-grid { display: grid; gap: 40px; grid-template-columns: 1fr; padding-bottom: 48px; }
    @media (min-width: 640px) { .footer-grid { grid-template-columns: 1.3fr 0.8fr 0.9fr; gap: 32px; } }
    .footer-brand p { color: rgba(255, 255, 255, 0.52); line-height: 1.9; margin: 18px 0 0; max-width: 360px; }
    .footer-logo { display: inline-flex; align-items: center; gap: 11px; color: #fff; }
    .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
    .footer-col a { color: rgba(255, 255, 255, 0.62); display: inline-flex; align-items: center; gap: 7px; padding: 6px 0; transition: color 0.2s ease; }
    .footer-col a:hover { color: var(--brand-energy); }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.09);
        padding-top: 26px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 12px;
        color: rgba(255, 255, 255, 0.4);
        font-size: 13px;
    }
    .footer-bottom .sep { color: rgba(255, 255, 255, 0.18); padding: 0 5px; }

    .hidden-module { display: none !important; }
    .module-in { animation: fadeUp 0.45s ease both; }
    @keyframes fadeUp {
        from { opacity: 0; transform: translateY(14px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .no-wrap { white-space: nowrap; }
    .focus-ring:focus-visible { outline: 3px solid rgba(23, 163, 152, 0.5); outline-offset: 3px; }

/* roulang page: category3 */
:root {
            --brand-primary: #F97316;
            --brand-secondary: #EA580C;
            --brand-energy: #FFB224;
            --ink-deep: #171C24;
            --ink-body: #1F2937;
            --ink-muted: #64748B;
            --surface-page: #F6F3EF;
            --surface-card: #FFFFFF;
            --surface-deep: #10141A;
            --line-soft: #E7E2DA;
            --accent-teal: #17A398;
            --rating-star: #F59E0B;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-sm: 0 4px 14px rgba(23, 28, 36, .06);
            --shadow-md: 0 16px 36px rgba(23, 28, 36, .10);
            --shadow-lg: 0 28px 60px rgba(23, 28, 36, .16);
            --font-sans: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink-body);
            background: var(--surface-page);
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        figure {
            margin: 0;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input,
        textarea {
            font: inherit;
            color: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(249, 115, 22, .48);
            outline-offset: 3px;
            border-radius: 8px;
        }

        ::selection {
            background: rgba(249, 115, 22, .24);
        }

        .container-site {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: clamp(18px, 4vw, 32px);
            padding-right: clamp(18px, 4vw, 32px);
        }

        .section-site {
            padding: 92px 0;
        }

        .section-soft {
            background: #FFFFFF;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 80;
            background: rgba(16, 20, 26, .52);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .14);
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
        }

        .site-header.scrolled {
            background: rgba(16, 20, 26, .92);
            border-bottom-color: rgba(255, 255, 255, .08);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .22);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            min-height: 78px;
            position: relative;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
            color: #fff;
        }

        .logo-badge {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 8px 20px rgba(249, 115, 22, .30);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 900;
            letter-spacing: .02em;
            color: #fff;
            line-height: 1.2;
        }

        .logo-text em {
            font-style: normal;
            color: var(--brand-energy);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            color: rgba(255, 255, 255, .86);
            transition: background .25s ease, color .25s ease;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .10);
            color: #fff;
        }

        .nav-link.active {
            color: var(--brand-energy);
            background: rgba(255, 178, 36, .14);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-toggle,
        .mobile-toggle {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .10);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background .25s ease, transform .25s ease;
        }

        .search-toggle:hover,
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, .18);
        }

        .mobile-toggle {
            display: none;
        }

        .search-wrap {
            position: relative;
        }

        .search-pop {
            position: absolute;
            right: 0;
            top: calc(100% + 12px);
            width: min(440px, 86vw);
            background: rgba(23, 28, 36, .98);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 12px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
        }

        .site-header.search-open .search-pop {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .search-form {
            display: flex;
            gap: 10px;
        }

        .search-form input {
            flex: 1;
            min-width: 0;
            height: 46px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            padding: 0 16px;
        }

        .search-form input::placeholder {
            color: rgba(255, 255, 255, .48);
        }

        .search-form button {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(249, 115, 22, .36);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 20px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            box-shadow: 0 8px 20px rgba(249, 115, 22, .34);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(249, 115, 22, .42);
        }

        /* ===== Buttons ===== */
        .custom-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 26px;
            border-radius: 14px;
            font-weight: 800;
            font-size: 15px;
            line-height: 1.2;
            border: 1.5px solid transparent;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
            box-shadow: 0 12px 28px rgba(249, 115, 22, .34);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 36px rgba(249, 115, 22, .42);
            filter: brightness(1.04);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .28);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .38);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .20);
            border-color: rgba(255, 255, 255, .7);
            transform: translateY(-2px);
        }

        .btn-lg {
            min-height: 52px;
            padding: 14px 32px;
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            overflow: hidden;
            background: var(--surface-deep);
            padding: clamp(132px, 15vw, 184px) 0 clamp(92px, 9vw, 120px);
            color: #fff;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center 28% / cover no-repeat;
            opacity: .42;
            z-index: 0;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            width: 720px;
            height: 720px;
            right: -120px;
            top: -220px;
            background: radial-gradient(circle, rgba(255, 178, 36, .24), transparent 58%);
            z-index: 1;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(12, 15, 22, .98) 0%, rgba(16, 20, 26, .88) 38%, rgba(31, 36, 45, .56) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
            gap: clamp(24px, 5vw, 72px);
            align-items: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 178, 36, .14);
            border: 1px solid rgba(255, 178, 36, .24);
            color: var(--brand-energy);
            font-weight: 800;
            font-size: 14px;
            padding: 7px 16px;
            border-radius: 999px;
            letter-spacing: .04em;
        }

        .hero-title {
            font-size: clamp(42px, 6vw, 66px);
            line-height: 1.16;
            color: #fff;
            font-weight: 900;
            margin: 22px 0 20px;
            letter-spacing: -0.02em;
        }

        .hero-lead {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .78);
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .hero-points li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: 7px 15px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }

        .hero-points i {
            color: var(--brand-energy);
        }

        .hero-guide {
            background: rgba(23, 28, 36, .72);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 20px 44px rgba(0, 0, 0, .26);
        }

        .hero-guide-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            font-weight: 800;
            color: #fff;
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: rgba(255, 255, 255, .68);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 5px 10px;
            white-space: nowrap;
        }

        .status-pill i {
            color: #34d399;
            font-size: 8px;
        }

        .hero-guide-list {
            padding: 6px 0;
        }

        .hero-guide-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 17px 0;
            border-bottom: 1px dashed rgba(255, 255, 255, .12);
        }

        .hero-guide-list li:last-child {
            border-bottom: 0;
        }

        .guide-icon {
            width: 40px;
            height: 40px;
            flex: 0 0 auto;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
        }

        .hero-guide-list li:nth-child(2) .guide-icon {
            background: linear-gradient(135deg, var(--accent-teal), #12c2b4);
        }

        .hero-guide-list li:nth-child(3) .guide-icon {
            background: linear-gradient(135deg, var(--brand-energy), #d97706);
        }

        .hero-guide-list strong {
            display: block;
            color: #fff;
            font-size: 15px;
            line-height: 1.3;
        }

        .hero-guide-list small {
            color: rgba(255, 255, 255, .52);
            font-size: 13px;
        }

        .hero-guide-foot {
            margin-top: 10px;
            border-radius: 14px;
            background: rgba(255, 178, 36, .10);
            padding: 12px 14px;
            color: rgba(255, 255, 255, .72);
            font-size: 13px;
            line-height: 1.6;
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }

        .hero-guide-foot i {
            color: var(--brand-energy);
            margin-top: 3px;
        }

        /* ===== Trust strip ===== */
        .trust-wrap {
            position: relative;
            z-index: 8;
            margin-top: -44px;
            margin-bottom: 0;
        }

        .trust-card {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 6px;
            background: #fff;
            border: 1px solid rgba(255, 255, 255, .7);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 16px 18px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 18px;
        }

        .trust-icon {
            width: 46px;
            height: 46px;
            flex: 0 0 auto;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            box-shadow: 0 8px 20px rgba(249, 115, 22, .25);
        }

        .trust-item:nth-child(2) .trust-icon {
            background: linear-gradient(135deg, var(--accent-teal), #16b5a8);
            box-shadow: 0 8px 20px rgba(23, 163, 152, .24);
        }

        .trust-item:nth-child(3) .trust-icon {
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            box-shadow: 0 8px 20px rgba(99, 102, 241, .22);
        }

        .trust-item:nth-child(4) .trust-icon {
            background: linear-gradient(135deg, var(--brand-energy), #f59e0b);
            box-shadow: 0 8px 20px rgba(245, 158, 11, .24);
        }

        .trust-item strong {
            display: block;
            color: var(--ink-deep);
            font-size: 16px;
            line-height: 1.3;
        }

        .trust-item em {
            display: block;
            font-style: normal;
            color: var(--ink-muted);
            font-size: 14px;
            line-height: 1.5;
        }

        /* ===== Section header ===== */
        .section-head {
            max-width: 800px;
            margin: 0 auto 54px;
            text-align: center;
        }

        .section-head.left {
            margin-left: 0;
            text-align: left;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 13px;
            color: var(--brand-secondary);
            background: rgba(249, 115, 22, .08);
            border: 1px solid rgba(249, 115, 22, .16);
            border-radius: 999px;
            padding: 6px 15px;
            letter-spacing: .06em;
            text-transform: uppercase;
        }

        .section-title {
            margin-top: 18px;
            font-size: clamp(28px, 4vw, 42px);
            line-height: 1.28;
            color: var(--ink-deep);
            font-weight: 900;
            letter-spacing: -0.02em;
        }

        .section-lead {
            margin-top: 14px;
            color: var(--ink-muted);
            font-size: 18px;
            line-height: 1.9;
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            max-width: 1120px;
            margin: 0 auto;
        }

        .timeline::before {
            content: "";
            position: absolute;
            top: 20px;
            bottom: 20px;
            left: 50%;
            width: 3px;
            transform: translateX(-50%);
            background: linear-gradient(180deg, var(--brand-energy), var(--brand-primary), rgba(249, 115, 22, .12));
            border-radius: 999px;
        }

        .timeline-item {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(20px, 5vw, 64px);
            align-items: center;
            padding: 54px 0 62px;
        }

        .timeline-num {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--ink-deep);
            border: 5px solid var(--surface-page);
            color: var(--brand-energy);
            font-size: 20px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 5;
            box-shadow: 0 0 0 1px rgba(249, 115, 22, .34), 0 12px 28px rgba(23, 28, 36, .18);
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 2;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .timeline-item:nth-child(even) .timeline-card {
            grid-column: 2;
            grid-row: 1;
        }

        .timeline-item:nth-child(even) .timeline-visual {
            grid-column: 1;
            grid-row: 1;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 800;
            color: #c2410c;
            background: #fff4ed;
            border-radius: 999px;
            padding: 5px 13px;
        }

        .timeline-card h3 {
            font-size: 22px;
            line-height: 1.35;
            color: var(--ink-deep);
            margin: 16px 0 10px;
            font-weight: 800;
        }

        .timeline-card p {
            color: var(--ink-muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .timeline-visual {
            position: relative;
            z-index: 2;
        }

        .timeline-visual img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .65);
            box-shadow: var(--shadow-md);
        }

        .quick-quote {
            background: var(--ink-deep);
            border-radius: var(--radius-lg);
            padding: 30px;
            min-height: 230px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .quick-quote i {
            font-size: 30px;
            color: var(--brand-energy);
            margin-bottom: 16px;
        }

        .quick-quote p {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .84);
        }

        .version-note {
            background: linear-gradient(135deg, rgba(23, 163, 152, .10), rgba(23, 163, 152, .02));
            border: 1px dashed rgba(23, 163, 152, .42);
            border-radius: var(--radius-lg);
            padding: 24px;
            min-height: 150px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .version-note i {
            font-size: 34px;
            color: var(--accent-teal);
        }

        .version-note p {
            color: var(--ink-body);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== Topic grid ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .topic-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(249, 115, 22, .28);
        }

        .topic-card::before {
            content: "";
            position: absolute;
            right: -18px;
            bottom: -18px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(249, 115, 22, .08), transparent 62%);
            border-radius: 50%;
            pointer-events: none;
        }

        .topic-tag {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 12px;
            font-weight: 800;
            color: var(--ink-muted);
            background: #f3f4f6;
            border-radius: 999px;
            padding: 5px 13px;
            letter-spacing: .04em;
        }

        .topic-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-energy), var(--brand-primary), var(--brand-secondary));
            font-size: 20px;
            box-shadow: 0 10px 24px rgba(249, 115, 22, .22);
        }

        .topic-card:nth-child(2) .topic-icon {
            background: linear-gradient(135deg, var(--accent-teal), #12b7aa);
            box-shadow: 0 10px 24px rgba(23, 163, 152, .20);
        }

        .topic-card:nth-child(3) .topic-icon {
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            box-shadow: 0 10px 24px rgba(99, 102, 241, .18);
        }

        .topic-card:nth-child(4) .topic-icon {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            box-shadow: 0 10px 24px rgba(245, 158, 11, .18);
        }

        .topic-card h3 {
            font-size: 20px;
            color: var(--ink-deep);
            margin: 20px 0 10px;
            font-weight: 800;
        }

        .topic-card p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--ink-muted);
        }

        /* ===== Deep band ===== */
        .deep-band {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(280px, .92fr);
            gap: clamp(28px, 5vw, 56px);
            align-items: center;
            background: linear-gradient(135deg, #11161d, #202933);
            border-radius: 34px;
            padding: clamp(30px, 5vw, 58px);
            box-shadow: var(--shadow-lg);
        }

        .deep-band::after {
            content: "";
            position: absolute;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            right: -160px;
            bottom: -240px;
            background: radial-gradient(circle, rgba(255, 178, 36, .20), transparent 60%);
            pointer-events: none;
        }

        .deep-copy {
            position: relative;
            z-index: 2;
        }

        .eyebrow-deep {
            display: inline-flex;
            font-weight: 800;
            font-size: 13px;
            color: var(--brand-energy);
            background: rgba(255, 178, 36, .12);
            border: 1px solid rgba(255, 178, 36, .28);
            border-radius: 999px;
            padding: 6px 14px;
            letter-spacing: .06em;
        }

        .deep-copy h2 {
            color: #fff;
            font-size: clamp(26px, 3.4vw, 38px);
            line-height: 1.3;
            margin: 18px 0 14px;
            font-weight: 900;
        }

        .deep-copy>p {
            color: rgba(255, 255, 255, .72);
            font-size: 16px;
            line-height: 1.9;
        }

        .deep-list {
            margin-top: 24px;
            display: grid;
            gap: 16px;
        }

        .deep-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .10);
            border-radius: 16px;
            padding: 14px 18px;
        }

        .deep-index {
            width: 32px;
            height: 32px;
            flex: 0 0 auto;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ink-deep);
            font-weight: 900;
            font-size: 13px;
            background: linear-gradient(135deg, var(--brand-energy), #f59e0b);
        }

        .deep-list strong {
            display: block;
            color: #fff;
            font-size: 15px;
            line-height: 1.4;
        }

        .deep-list span {
            color: rgba(255, 255, 255, .64);
            font-size: 14px;
            line-height: 1.7;
        }

        .deep-media {
            position: relative;
            z-index: 2;
            margin: 0;
        }

        .deep-media img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, .14);
            box-shadow: 0 24px 48px rgba(0, 0, 0, .34);
        }

        .deep-media figcaption {
            color: rgba(255, 255, 255, .48);
            font-size: 13px;
            text-align: center;
            margin-top: 10px;
        }

        /* ===== FAQ ===== */
        .faq-panel {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line-soft);
            border-radius: 20px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(23, 28, 36, .03);
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item.open {
            border-color: rgba(249, 115, 22, .38);
            box-shadow: var(--shadow-sm);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            padding: 20px 24px;
            background: transparent;
            border-radius: 20px;
        }

        .faq-toggle span {
            color: var(--ink-deep);
            font-size: 16px;
            font-weight: 800;
            line-height: 1.5;
        }

        .faq-icon {
            width: 30px;
            height: 30px;
            flex: 0 0 auto;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(249, 115, 22, .10);
            color: var(--brand-secondary);
            transition: transform .25s ease, background .25s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height .35s ease, opacity .25s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            opacity: 1;
        }

        .faq-answer p {
            padding: 0 24px 22px;
            color: var(--ink-muted);
            line-height: 1.9;
            font-size: 15px;
        }

        /* ===== Feedback CTA ===== */
        .feedback-panel {
            display: grid;
            grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
            gap: clamp(24px, 4vw, 52px);
            align-items: center;
            background: linear-gradient(135deg, var(--ink-deep), #222a34);
            border-radius: 34px;
            padding: clamp(30px, 5vw, 58px);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .feedback-panel::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            left: -150px;
            top: -160px;
            background: radial-gradient(circle, rgba(255, 178, 36, .20), transparent 62%);
            pointer-events: none;
        }

        .feedback-copy {
            position: relative;
            z-index: 2;
        }

        .feedback-copy h2 {
            color: #fff;
            font-size: clamp(26px, 3.4vw, 38px);
            line-height: 1.32;
            margin: 16px 0 14px;
            font-weight: 900;
        }

        .feedback-copy p {
            color: rgba(255, 255, 255, .72);
            line-height: 1.9;
            font-size: 16px;
        }

        .feedback-form {
            position: relative;
            z-index: 2;
            background: #fff;
            border-radius: 22px;
            padding: 24px;
            box-shadow: var(--shadow-md);
        }

        .feedback-form label {
            display: block;
            font-weight: 800;
            color: var(--ink-deep);
            margin-bottom: 10px;
            font-size: 15px;
        }

        .feedback-form textarea {
            width: 100%;
            border: 1px solid var(--line-soft);
            border-radius: 14px;
            padding: 14px 16px;
            background: #f8f7f4;
            color: var(--ink-body);
            resize: vertical;
            min-height: 110px;
            line-height: 1.7;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .feedback-form textarea:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, .18);
        }

        .feedback-form-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .feedback-form-bottom span {
            color: var(--ink-muted);
            font-size: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--surface-deep);
            margin-top: 0;
            color: rgba(255, 255, 255, .66);
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer .container-site {
            padding-top: 64px;
            padding-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr) minmax(0, .9fr);
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }

        .footer-brand p {
            margin-top: 18px;
            max-width: 340px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .62);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 0;
            color: rgba(255, 255, 255, .66);
            transition: color .25s ease, transform .25s ease;
        }

        .footer-col a:hover {
            color: var(--brand-energy);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .10);
            padding: 22px 0 28px;
            color: rgba(255, 255, 255, .48);
            font-size: 13px;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            opacity: .5;
        }

        /* ===== Responsive ===== */
        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }

            .main-nav {
                display: flex !important;
            }
        }

        @media (max-width: 1024px) {
            .mobile-toggle {
                display: inline-flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(16, 20, 26, .98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                padding: 18px;
                border-bottom: 1px solid rgba(255, 255, 255, .12);
                box-shadow: var(--shadow-lg);
            }

            .site-header.nav-open .main-nav {
                display: flex;
            }

            .main-nav .nav-link {
                justify-content: flex-start;
                padding: 14px 18px;
            }

            .site-header .nav-cta {
                display: none;
            }

            .hero-inner {
                grid-template-columns: 1fr;
            }

            .hero-guide {
                max-width: 620px;
            }

            .trust-card {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .timeline::before {
                left: 20px;
                transform: none;
            }

            .timeline-item {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 30px 0 46px 66px;
            }

            .timeline-item:nth-child(even) .timeline-card,
            .timeline-item:nth-child(even) .timeline-visual {
                grid-column: auto;
                grid-row: auto;
            }

            .timeline-num {
                left: 0;
                top: 34px;
                transform: none;
                width: 42px;
                height: 42px;
                font-size: 16px;
                border-width: 3px;
            }

            .timeline-visual img {
                max-height: 320px;
            }

            .deep-band {
                grid-template-columns: 1fr;
            }

            .deep-media img {
                min-height: 220px;
            }

            .feedback-panel {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .section-site {
                padding: 66px 0;
            }

            .header-inner {
                min-height: 70px;
            }

            .logo-badge {
                width: 38px;
                height: 38px;
                border-radius: 12px;
            }

            .logo-text {
                font-size: 18px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .trust-card {
                padding: 10px;
            }

            .trust-wrap {
                margin-top: -26px;
            }

            .trust-card {
                grid-template-columns: 1fr;
            }

            .trust-item {
                padding: 10px 12px;
            }

            .feedback-panel {
                padding: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .nav-cta {
                display: none;
            }

            .search-toggle {
                width: 40px;
                height: 40px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .custom-btn {
                width: 100%;
            }

            .hero-guide {
                padding: 18px;
            }

            .timeline-card {
                padding: 20px;
            }

            .timeline-item {
                padding-left: 52px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .topic-card {
                padding: 22px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }